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Quality Control Inspections

HQTS quality control inspections verify product quality and quantity to predetermined specifications.

The decrease in product life cycles and time-to-market increases the challenge to deliver quality products in a timely manner. When your product fails to meet your quality specifications for market acceptance, the result can be loss of good will, product and revenues, delayed shipments, wasted materials, and the potential risk of a product recall.

Typical quality control inspections include four primary steps. Depending on the product, your experience with the supplier, and other factors, any one, or all of these, may apply to your needs.

Prior to production, our quality control inspection of raw materials and components will confirm whether these meet your specifications and are available in quantities sufficient to meet the production schedule. This is a useful service where you have had issues with materials and/or component replacements, or you are working with a new supplier and many outsourced components and materials are required during production.

During production, the products are inspected to verify that quality requirements and specifications are being met. This process is useful in cases of repeated defects in production. It can help identify where in the process the problem occurs and provide objective input for solutions to resolve the production issues.

After production is completed, a pre shipment inspection can be done to verify that the goods being shipped have been manufactured according to your requirements. This is the most common service ordered, and works well with suppliers you have previous experience with.

Quality control inspections at various stages of the production process can help you monitor product quality to ensure requirements are being met and to support on-time delivery. There are many other types of inspections and services we provide, and you can find them in the boxes below.

Please contact us if you have any questions about how we can meet your quality assurance needs.

Consumer Product Testing

HQTS is accredited to test against all major regulatory standards for the import of consumer products.

Consumer goods are subject to various legal regulations and standards. While these are designed to help ensure the safety of the consumer, they can be confusing and hard to stay abreast of. You can rely on the expertise and technical resources of HQTS’ consumer product testing to help ensure your compliance with relevant regulations, as well as your own technical specifications.

With HQTS, you benefit from the skills and expertise of the industry’s foremost leaders, veteran engineers and award winning staff in our 80,000 sq ft laboratory, centrally located in Hangzhou, China. Whatever the scope or complexity of your project, you can count on the accuracy and reliability of HQTS with the most competitive pricing, fastest delivery times in the industry, and the support of a single point of contact for all your testing projects; this personalized approach has established us as one of the most respected labs in China.

Through our professional consumer products testing laboratory, you can rely on us to test for compliance against RoHS, REACH, ASTM Ca Prop 65, EN 71, just to name a few. We work closely with you to design a testing program that best meets your requirements.

Our Accreditations

Our internationally recognized lab gives you the confidence you need to bring your product to market. Our central location ensures the fastest turn-around time for your projects. Contact us today to obtain additional information about how we can help you with your consumer product testing needs.

Factory Audits & Supplier Audits

HQTS Factory Audits & Supplier Audits assess vendor capability, performance, and quality standards.

In today’s highly competitive market, it is imperative that you build a vendor base of partners that will meet all aspects of your production needs, from design and quality, to product delivery requirements. Comprehensive evaluation through factory audits and supplier audits are a vital component of the evaluation process.

The key criteria an HQTS factory and supplier audit assesses are facilities, policies, procedures and records that verify a factory's ability to deliver consistent quality products over time, rather than at one given time or only for certain products.

Core areas and processes addressed by a factory assessment include:

  • Quality Management System
  • Quality Manufacturing Practices
  • Facilities Condition
  • Product Control
  • Process Control
  • Personnel

Our factory audits and supplier audits provide you with a detailed analysis of the condition, strengths and weaknesses of your supplier. This service can also help the factory to understand areas requiring improvement to better meet the buyer's needs. As you select new vendors, reduce the number of your vendors to more manageable levels and improve overall performance, our factory and supplier audit services provide an effective way to enhance that process at a reduced cost to you.

Professional and Experienced Auditors

Our auditors receive comprehensive training on auditing techniques, quality practices, report writing, and integrity and ethics. In addition periodic training and testing is done to keep skills current to changing industry standards.

Strong Integrity & Ethics Program

With an industry recognized reputation for our strict ethical standards, we maintain an active training and integrity program that is managed by a dedicated integrity compliance team. This helps minimize the risk of corruption and helps educate auditors, factories and clients regarding our integrity policies, practices and expectations.

Value-added Assessments

In many cases, we have cross-trained our audit staff to conduct various audit and assessment types including:

  • Production Capability
  • Production Capacity
  • Technical Capability
  • Social Compliance
  • Security (C-TPAT) Audits
  • Environmental

Best Practices

Our experience in providing factory audits and supplier audits for a broad range of companies around the globe has allowed us to develop “best-in-class" factory audit and evaluation practices that can save you time and money in selecting factory and supplier partnerships. This gives you the option of including additional value-added assessments that can benefit both you and your suppliers.

Government & Trade Services

HQTS is accredited to certify compliance with special government import requirements.  

Most governments give high priority to promoting international trade, while adopting measures to protect consumer health, safety and the environment. Many accept the international standards of companies accredited by The International Laboratory Accreditation Cooperation (ILAC), International Federation of Inspection Agencies (IFIA) and others, but some governments adopt localized standards and require accreditation by services certified by their own domestic agencies.

HQTS is accredited to provide Verification of Conformity (VOC) and Certificate of Conformity (COC) for various countries. These include services related to quality control inspections and consumer product testing services for various government certification bodies. Such certification by HQTS ensures your product meets all import requirements to those countries.

Some of the products we can service include:

  • Refrigerator Compressors
  • Wires and Cables
  • Switches and Sockets
  • Household Electrical Appliances
  • Lighting Fixtures
  • Automotive Parts
  • Large Oil and Gas Pipe
  • Building Materials
  • Chemical Products
  • Lead Acid Batteries
  • Mechanic and Metallurgy

Please contact us for information.

Quality Control Consulting

HQTS provides services for quality control management and training, ISO certification and production control.

Companies doing business in Asia encounter many unexpected challenges due to the unfamiliar legal, business, and cultural landscape. These challenges can be mitigated by partnering with a company who knows the environment, and can effectively bridge the gap between eastern and western mindsets.

HQTS has been doing business in China for 26 years in the quality management space. Leveraging our intimate knowledge of the QA industry in China and our western staff, we can help you navigate this uncertain terrain.

Whether you are new to Asia, or have been doing business here for many years, our professional consulting services can help you resolve and/or avoid issues in the supply chain process including management, systems, quality assurance, and certifications.

HQTS training programs are world class. We can tailor a solution to best fit your needs in refining and enhancing the management’s skills of your quality management and supply chain staff throughout Asia.

Some of our consulting solutions include:

  • Quality Control Management
  • Certification
  • QA/QC Training
  • Production Management

Specialized Business Services

HQTS provides a wide variety of specialized business services to assist you in doing business in Asia.

HQTS understands that every customer has very individual needs when doing business in Asia, and we have rich experience you can rely on. We understand the complex customs and practices of local suppliers and manufacturers, and staff can assist you in successfully navigating these challenges. Our experienced staff may well be the leverage you need to ensure doing business in Asia contributes to your bottom line.

For more information, or a customized solution, please contact us.

Your Industry

Consumer Products & Retail

Quality control and quality assurance refer to the processes businesses use to ensure that product quality is maintained. It also helps to reduce or eliminated defects in manufacturing so as to meet customer expectations and regulations. Regardless of your industry, HQTS provides a wide range of consumer quality control services.

From quality control inspections to consumer product testing against REACH, RoHS, CA Prop 65 and others, HQTS ensures your suppliers deliver products that meet your quality requirements.

We service a wide range of consumer goods including apparel and textiles, automotive parts and accessories, home and personal electronics, personal care and cosmetics, home and garden, toys and children’s products, footwear, bags and accessories and much more.

With the increasingly complex supply chain process, product recalls and returns have become a major issue. Manufacturers, brands and retailers need to be confident that the products they deliver meet consumer expectations, global regulations and safety and quality standards. HQTS quality control services are delivered through our professional and technical staff located in major production hubs throughout Asia. We work closely with you identify quality concerns prior to distribution to mitigate delays, unexpected costs and risk to your consumers and brand.

Machinery & Equipment

Industrial machinery and equipment quality control inspections can be anything from a simple checklist inspection to one-off customized inspection and testing checklists based on technical engineering requirements.

The complex specifications often associated with the manufacture of industrial equipment and machinery requires you to work with a partner that brings engineering capability and experience to the job. HQTS is your best choice.

HQTS has completed inspections on projects as diverse as combustion engine driven machinery and facilities and machinery for packaging, apparel, printing, and food processing. Let us know what your needs are, and we will be happy to show you how we can deliver what you need.

Cranes, Forklifts, Tractors, Industrial Juice Presses, Pipe Making Machinery, Food Processing, Compressors, Generators, Industrial and Construction Pipes, Meters and Valves.

Hydro & Coal Power Plants, Power Stations, Turbines, Wind and Solar Generation, General Industrial, Packaging, Printing, and Food Processing.

Make sure the machinery and equipment you buy, does the job you expect. Contact us today to discuss your future equipment or machinery purchasing plans and learn how we can support your quality requirements.

Food & Agriculture

Whether you are a grower, food packer, processor, distributor or a buyer of bulk feed, supplements, or food products for human consumption, you must demonstrate integrity and safety of your food products from the source, and throughout the entire food supply chain.  

These assurances can only be given where the growing, processing, procurement, and shipping are regularly monitored and tested by specialized staff. HQTS can offer you a solution customized to your exacting requirements. From bulk feed to packaged food items for human consumption, HQTS can provide the technical and regulatory expertise you need through our network of specialized food testing partners.

Energy & Commodities

HQTS provides a broad range of quality control and assurance services to the energy and commodities industries conducted according to all relevant domestic and international standards. 

Asia has become one of the largest producers and consumers of a wide range of commodities including oil, steel, copper, rare minerals, corn, wheat, and soybean. Asia is also a major market for energy production power plants and related support infrastructure and products such as coal, gas and oil.

Whatever your related business, we partner with you to develop a customized quality assurance program that best ensures alignment with your supply chain strategies.


Whether you are in the railway, automotive, trucking or aerospace industries, HQTS has the solution for your quality needs. We bring long experience and a broad range of services to ensure the quality of the equipment, materials, and products in your transportation supply chain. From automotive and trucking, to aerospace and rail, HQTS helps you with your quality assurance at home and around the world.

Automotive & Trucking

Whatever your involvement in the automotive industry – from vehicle manufacturers and suppliers, to retail after-market automotive parts and accessories retail stores – ensuring quality, customer safety, and compliance is vital to your business. HQTS provides the experience and technical resources for reliable and accurate quality assurance for the automotive and trucking supply industry.

Services We Provide

  • Pre-production Inspection
  • During production Inspection
  • Pre-shipment Inspection
  • Product Management


Whether you are a component manufacturer or supplier to the rolling stock industry, you must comply with a wide range of safety and regulatory requirements. We offer a full range of rail services to support your supply chain needs.

Services We Provide

  • Prepare for certification to supply rolling stock to the industry
  • Provide independent check and testing of rolling stock or components
  • Confirm the quality and performance of materials and components
  • Ensure compliance with applicable regulations
  • Outsource the skills and expertise you need for specific projects

Aviation & Aerospace

Products manufactured and sold for the aerospace and aviation industries must comply with strict regulations and standards. From manufacturers and suppliers to retail after-market companies, HQTS offers you a wide range of specialized services to ensure your products comply with regulatory and technical standards, as well as your demanding requirements.

Services We Provide

  • Pre-production Inspection
  • During Production Inspection
  • Pre-Shipment Inspection
  • Product Management


HQTS is partners with various eCommerce platforms in Asia to provide several quality control and assurance services to ensure the safety and quality of products they deliver to online domestic consumers.

This is a growing business for HQTS as Asia consumers increasingly demand the same product quality and safety often associated with the export markets. The growing middle class has more disposable income, and is demanding higher quality and safety in the products they purchase. This, along with anger over the proliferation of counterfeit products and hazardous substances is contributing to a significant change in Chinese consumer perceptions and quality expectations.

HQTS is happy to serve this demand through our quality control services to suppliers of our eCommerce partner throughout Asia. Some of these services include quality control inspectionsconsumer product testing, ISTA packaging testing, factory audits, supplier verification and evaluations, counterfeit investigation and mitigation, and more.

Contact us today if you would like to receive additional information regarding these services.

Quick Answers

How can I trust HQTS to be ethical?

HQTS has published a Code of Ethics (hereinafter “the Code”) that provides clear direction to employees in all areas of their daily business activities. All employees, managers and executives are responsible for assuring that compliance remains a vital component of our business process. We ensure that the principles embodied in the Code are implemented throughout our internal Quality System processes, procedures, and audits. Supported by rich knowledge and experience in the field, and benefiting from over 500 staff members, HQTS is dedicated to helping our customers meet all their Quality, Safety and Ethical Standards to support their supply chain in the global marketplace. If you wish to obtain a copy of our Code of Ethics, please contact us.

Why is a factory audit or supplier evaluation important?

Do you REALLY know who you are buying from? Do you REALLY know what their production capabilities are and whether they can produce what you expect? These are important questions when assessing a potential vendor. Asia is ripe with middlemen, sub-contracting, materials and component swapping, fraudulent certifications and licensing, and sub-standard facilities, materials, and equipment. The only way to be sure who your supplier is and what his capabilities are, is to do an onsite evaluation or audit. HQTS has experienced professional staff that are ready to conduct your factory audit supplier evaluation. Contact us today for details on the broad range of audit and evaluation types we can provide for you.

In what countries does HQTS provide service?

HQTS currently provides inspection and QC related services in China, Taiwan, Korea, Vietnam, Cambodia, Thailand, Bangladesh, India, Malaysia, Indonesia and Turkey. In addition, we have sales and business support operations in China, Japan, India, Brazil, Germany, Poland, France and the USA.

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