Chengde COTS Scientific Instruments Co Ltd is one of the most famous test machine manufacturers in China,together with a strong team of research manfacturing and after-sale service.Our products are used in plastic raw materials,plastic pipes,shaped materials,engineering plastics,other plastic products,glasses and liquid.
  our test machines are used in those related R&D institutions, quality inspection institutions, universities and other manufacturers.They are distributed all over the country and we've won a very good reputation in the industry.    
The COTS company in line with the spirit of Elaboration in making, sincere in serving,fair in competition,hammer at administration,driving our staff seek for a conscientious,innovative pragmatic and efficient development.Our products adopted the cutting-edge technology from both domestic and overseas.Emphasized the idea of hommization, intelligence and advancement,as well as the safety and stability.The COTS is aimed to build the most reliable brand in Chinese test machine market.
  our products mainly include as follow:
contact angle measuring instrumentEnviromental Stress Cracking ,ESC, Resistance Tester Falling ball impact test machineNotch sample-making equipmentMulti-purpose sample-making equipment
    in addition,we are also interested in the research and development in nonstandard test machine? and transform the used and new one from both domestic and overseas.   We warmly welcome friends from every field to make business with us in person?by telephone or email.We will provide our best products and the best service for your trust.