Main business blank：Established in 1992， Yancheng Steel Tube Co.， Ltd. specializes in producing seamless steel pipes and tubes. Our company is located at Yancheng City which is close to Xinyang Port in the north and Xinchang railway in the east， thus enjoying very convenient
Main business blank：SUMEC Technology Equipment Co.， Ltd. is a subsidiary company of China Machinery and Equipment Import and Export Group Corporation. Adhering to the principle of "Equality， Mutual Benefit and Excellent Service"， we have established good business relations w
Main business blank：Yangzhou Positioning Tech. Co.， Ltd. is a specialized stock company， which invests in many domains and factories in the past few years. Specifically， the main products include 0.6A-6，000A thyristors (SCR)， diodes (disc， stud and plastic package type)， tri
