1. Introduction of company Pingyilu oil and gas fittings Co.,LTD. locates in the B zone of Xushui industrial park of China Hebei province, which is Chinese largest corporations of High-middle-low pressure valve and flange, and it has two branches, the floor space of core enterprise is 200,000 square meters, and it has more than 1000 staffs. We are manufacturer China for gost standard gate valve and different types and standards flanges, for example, russian flanges, ansi flanges, din flanges, jis flanges. Our products have already explored the European and American, South Korean markets, most of our products also sell far to the Russia, Pakistan, Kazakhstan, Ukraine, Vietnam, Indonesia, Malaysia, Thailand, Dubai and other countries, and the products have won the trust and good reputation from the customers.2. Introduction of products russia standard stem gate valve is produced according to GOST standard. It is used to the pipe fittings of oil and gas for the oil and gas companies etc. and of water heating and it is suitables to the pipeline which is fully opened or fully closed. The material of disc sealing surface is 2Cr13 stainless steel. The sealing performance is good and wearable. It has long life. We produce flanges:extruded flanges, casting flanges and centrifugal.