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.

The company will apply the advanced management concept to the factory management mode, through the UKAS-ISO international quality management system; APIQ1 quality management system and on-site 6S standardized management perfect combination, the use of advanced ERP and LMES manufacturing management system to manage the product process, to achieve professional, automated, standardized and programmed production organization. The company adheres to the development orientation of scientific and technological innovation, and has set up CAD valve design center, 3D simulation manufacturing design system, finite element analysis system, material testing center, low temperature testing laboratory and valve test platform to optimize product structure, and signed an industry-university-research cooperation agreement with Jiangsu University of Science and Technology to establish a postgraduate workstation. Joint research and development to ensure the quality and speed of new product development and production.

Liangzheng valves have passed the "TS" special equipment manufacturing license A level certification, API6D American Petroleum Institute certification, ISO9001 international quality system certification, ISO14001 environmental system certification, ISO45001 occupational health and safety management system certification, Germany TUV issued API607 fire certification, SIL3 Safety assessment certificate, CE EU certificate, two integration certificate, intellectual property rights implementation certificate, AA measurement, AAA measurement system and other certificates.

In January 2016, Liangzheng Valve successfully listed in Jiangsu Stock Exchange, we are very honored to become one of the few Chinese valve manufacturing enterprises listed on the stock exchange. The company has successively become a material supplier of China National Petroleum Corporation Limited, a material supplier of Sinopec, a material supplier of CNOOC, a finalist supplier of China Gas Group, a finalist supplier of China Resources Gas Group, a finalist supplier of Kunlun Energy, a finalist supplier of ENN Gas Group, a partner of Gang Hua Gas Group, a finalist supplier of Shenzhen Gas Group, and a finalist supplier of Chongqing Gas Group Wei supplier, Taiyuan Natural gas finalist supplier, Hangzhou Natural Gas finalist supplier, Shenyang Gas finalist supplier, Teda Binhai Gas Group finalist supplier, Xinjiang North Fuel finalist supplier, Baichuan Energy Group finalist supplier, Kuangyuan Energy Group finalist supplier, Ord Energy Group finalist supplier, Xinjiang Guanghui Energy finalist supplier, Jinhong Energy Group finalist supplier , petrochina Zhongtai Gas Group finalist supplier, Zheneng City Gas finalist supplier, Tianlun Gas Group finalist supplier, Fisher Jiuan (Emerson) important supplier, Shanghai Feiao important supplier, Yanchang Oilfield finalist supplier, Luxi Chemical finalist supplier, Sanfangxiang Group finalist supplier, Shenhua Guoneng Group, Huadian Group, Guodian Group, Huaneng Group, Datang Group Several major power plant supplier members, two provincial high-tech products identified, the first set of provincial valves identified, the company's production of valves have been issued by the national valve testing center type test certificate.

The company always adheres to the business philosophy of "integrity, innovation, safety and efficiency", and continues to provide customers with high-quality and affordable quality valves. Liangzheng has a strong professional after-sales service team, keep communication with customers at any time, 24-hour after-sales service phone, the quality problems reflected by users, immediate response, after-sales service personnel made a short time to respond and rushed to the scene, for customers to solve problems. Sincere, responsible, professional good service spirit is trusted by users, users affirmed.

Over the years, Liangzheng has been with excellent quality, professional service to meet the needs of the majority of users, with the most rigorous work style, advanced and safe product design, to provide our customers with products at preferential prices.