Nanyang road, Zhengzhou, Henan, China

Henan Premtec is an international corporation, professional exporting materials and technical xxxxx sales range covering chemicals,ceramic wares,machines,electric products serve to customers worldwide...

73, Weilai Road Zhengzhou Henan ***, 73, Weilai Road

Our Carbon Black Content Tester goes through a top-notch quality analysis system supervised by skilled quality auditors who assess different products at different level. We have developed a state-of-t...