My company is located in Pump and Valve industry area in Yongjia county, a place honored the title of ¡°Home of Pumps and Valves in China¡±. Poro covers a total production area of 21,780 square meters and Poro has been successively approved ISO9001:2000, CE, AI, API6D, API 600 and ISO14001:2004 certificates. Product quality is our core position; independent innovation is the fundamental requirement; human-oriented, development and exactness is the tenet for all the works. Poro has been awarded ¡°Star Enterprise¡± in Yongjia for 5 years.