Hansen & Rosenthal (H&R) GmbH & Co. KG

The Company Niezgodka was founded 1967 in Hamburg and is still a family business. Today nearly 60 employees are working at Niezgodka GmbH. With specializing in construction and production of valves in stainless steel, the company had great success fr

Hangzhou Rongda Pharmaceutical Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, production, and sales of pharmaceutical raw materials and intermediates. The company is led by experienced professional technica

Shanghai Yuanyi Valve Manufacturing Co., Ltd. is a valve manufacturing enterprise that integrates development, production, and sales. The company is located in the Zhuangxing Industrial Park in Fengxian, Shanghai, with a factory area of 38800 square