Liangzheng Valve Co., LTD., founded in 2003, specializes in valve research, design, manufacturing, sales and service as one of the valve system integrated solution suppliers. The company has Changzhou gas valve production base, Binhai general valve production base and Tianjin hydraulic control valve production base, registered capital of 100.98 million yuan, a total area of more than 40,000 square meters, after more than 10 years of hard work and development, now has 36 senior engineers, more than 100 technical employees. "Work to do its best, must first use its tools", good people understand this, good management, good concept, good talent also have sophisticated equipment in order to make the enterprise really have a strong production capacity, and ensure the good quality of products. The company has large horizontal machining center, vertical machining center, CNC lathe, CNC drilling machine, large vertical lathe, ordinary lathe, automatic submerged arc welding equipment, water and gas dual-use large pressure testing machine, automatic valve coating line, spectrum analyzer, metallographic analyzer, tensile testing machine, low temperature impact testing machine, ultra-low temperature testing equipment, cryogenic treatment equipment, ultrasonic inspection More than 220 production testing equipment, such as instrument, magnetic particle flaw detector, ultrasonic thickness meter, hardness meter, helium mass spectrometer, rubber aging test system, coordinate tester, etc. At present, the company's leading products are: gas ball valve, butterfly valve, globe valve, check valve, gate valve and so on. Product size range: DN10-DN1500(NPS3/8"-60"); Pressure grade range: PN6~420(CLASS150~2500Lb), the product operating temperature range can meet: (-196℃~650℃), the use of standards: national standard, American standard, Japanese standard, Korean standard and so on. The products are widely used in petroleum, chemical industry, natural gas, electric power, water supply and drainage, metallurgical minerals and other industries.