CONTINUOUS IMPROVEMENT

Every year, JST invests 6% of its annual turnover in research and experiments to bring forth innovation, upgrading sealing products to higher technical standards with stronger heat-resistance, stability, and durability in extreme conditions.

With a dedicated team of talented technical professionals, and joint R&D centers with Guangdong University of Technology and others, JST develops high-end sealing technology for customers, upgrades customers’ industries and products and solves technical difficulties the whole industry is facing, propelling rapid industrial development.

JST has a complete technical system, a material formulation laboratory, a comprehensive performance laboratory for high & low temperature and high pressure products, - 196 ℃ ultra-low temperature laboratory, equipped with a high and low temperature tensile testing machine, a material abrasion testing machine, a material immersion testing machine, a finite element analysis (FEA), and in combination with the company's PLM system, it can make deeper researches on rubber materials, PTFE composites and product performance.

JST materials receive rigorous internal and thirty-party tests and have obtained NORSOK M-710 immersion test certificates by Element laboratory in UK, Alpine laboratory in US, and laboratory of China University of Petroleum, as well as RGD test certificate by BV and API 6A PR2 test certificate by DNV for sealing of various devices.

JST is committed to innovation, and has developed over 40 patented products and counting, JST products are winning growing trust from customers.

List of laboratory equipment

	High and low temperature tensile testing machine It is used in testing the tensile properties in high and low temperature in the field of material science, with the temperature range of - 70 ℃~300 ℃.		Material abrasion testing machine It is mainly used in studying the wear resistance of plastic materials, mainly including coefficient of friction, amount of wearing, friction torque, etc., and the maximum axial loading is 22000N.
	Rotary drum abrasion tester It is suitable for abrasion test of elastomer with high efficiency, good reproducibility and easy operation.		Tank reactor Tank Reactor is used for material and product immersion testing and aging testing, temperature range: ambient - 300 ℃, pressure: 0-30MPa. It can withstand various media.
	TR10 testing machine TR10 testing machine is generally used to study the rubber materials retraction property in low-temperature.		Differential scanning calorimeter It is generally used to investigate the glass transition temperature, rate of purity, crystallinity, rate of conversion, enthalpy temperature function, etc. of the materials. The operation temperature is range from - 90 ℃~500 ℃.
	Carbon black dispersion analyzer Function: Test the dispersion of carbon black in rubber compound.		Creeping tester Creeping test of polymer, metal etc. Testing temperature range from - 60 ℃~250 ℃.
	Multi-station bath It is used for studying the compatibility of rubber compounds and fluid.		FEA/Finite Element Analysis Finite element analysis technology is an effective method to optimize product design, shorten design cycle it has become an effective way to solve complex engineering issue.
	XRF Analyzer It can detect the content of Mn, Cr, Ni, Mo, Cu, Ti and other elements in various metal materials.		3D Profiler It can automatically determine the height or size of the measured object, the sensitivity setting of the material or color, etc.
	High & low temperature and high pressure testing machine It is mainly used to verify the tightness of the product. The temperature range is - 65~250 ℃, and the pressure range is 0-25000psi.		- 196 ℃ Cryogenic testing machine It verifies the tightness of the product by pressurizing and testing the product for leakage under ultra-low temperature conditions. The temperature range is -196 ℃~normal temperature, and the pressure range is 0-60MPa.