Sleeve-type needle valve

First, the card sets needle valve Product Overview Haichuan Shanghai Valve Co., Ltd. of card sets JJY1 needle valve needle valve is one of power, electrical, mechanical and electrical engineering equipment, electronic control equipment project the most widely used valves, due to the its easy installation, manufacturing reasonable, economical simple, widely used in power engineering pipeline, the company's JJY1 needle valve, looks beautiful, good sealing performance, high pressure, easy accessibility maintenance, won the majority of new and old Scope of customers: urban construction, chemical industry, metallurgy, petroleum, pharmaceutical, food and beverage. See: http: //www.zgchuanhu.com/shoudongzhenxingfa/zhenxingfa-jjy1.html