Quality Assurance

Independent patented technology

150 +

Professional technical team

300+

Laboratory area

5000 square meters

Various types of equipment

200 +

  • Testing Center

    Founded in 2004, Hengshi Testing Center is a testing organization specializing in the testing of glass fibers, glass fiber fabrics, and composite materials. The center has successively passed the national accreditation of China National Accreditation Service for Conformity Assessment (CNAS) and the certification of DNV ▪GL, an authoritative certification body in the global wind power industry. There are currently more than 150 independent patented technologies, leading and participating in the formulation of a number of national standards for composite material testing methods.


    After more than ten years of development, the center now has a professional technical team of more than 300 people, a test site of 5,000 square meters, more than 200 sets of various instruments and equipment, with a total value of more than 50 million yuan. The testing methods adopted are all based on international ISO or ASTM standards, with industry-leading testing capabilities .


  • Testing Ability Introduction

    Glass fiber and carbon fiber raw yarn

    Raw yarn testing items include wire density, moisture content, combustible content, single fiber diameter, stiffness, breaking strength, etc.


    Glass fiber and carbon fiber fabric

    Fabric testing items include mass per unit area, thickness, coefficient of friction, stiffness, breaking strength, accelerated aging, wettability, etc.


    Composite material performance test

    Test items include composite material density, glass fiber content, glass transition temperature, tensile properties, bending properties, compression properties, shear properties, impact properties, interlaminar fracture toughness and other test items; and have advanced test tooling technology, with Ability to test mechanical properties such as normal temperature and high and low temperature static and fatigue.

Technological Innovation

The company has a complete scientific and technological innovation mechanism, including the protection of intellectual property rights, general innovation and major innovation project declaration, evaluation and review systems. Relying on the scientific and technological innovation mechanism, the company's technology is continuously innovated and the company's sustainable competitiveness is improved.


Through continuous product and technological innovation, we have successively developed thousands of new products, applied for or authorized more than 100 patents, among which high-performance E7/E8/E9 glass fiber warp knitted fabrics, which are outstanding representatives, have laid the core market for the company. Position, provides customers with better solutions, and plays a leading role in the development of the industry.

Our Partners

At present, the company has established a good business cooperation relationship with many well-known wind turbine blade manufacturers in the world.

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