Screw Elements 

Screw Element Specification: Parallel twin screw diameter: Φ 18-Φ 177mm Material: 1)W6Mo5Cr4V2 2)38CrMoAlA(JIS SACM645) 3)42CrMo(AIS14140) 4)S45C Technics: 1)Heat treatment 2)Nitriding treatment 3)Vacuum quenching Our advantages: Working Attitude---- Every employee at ZHONGYANG is a good team player. We have enthusiasm on our jobs and we do our jobs seriously and responsibly, every employee wants to do the best to contribute to our company's growth at ZHONGYANG. Factory Strength---- We are located in Jintang town, Zhoushan city of Zhejiang provice. Our factory occupies 10, 000M2 and is well equipped with kinds of advanced CNC processing machines. With 12 years' industrial know-how and experience, we have grown to be a specialist in the industry. We have our own professional teams in the sales, design, production, inspection and customer service areas. And we are always ready to help you with your specific needs. Quick R…