Founded in 2003, Liangzheng Valve Co., Ltd. is a professional valve system integration solution provider specializing in valve research, design, manufacturing, sales, and service. The company has Changzhou gas valve production base, Binhai general valve production base, and Tianjin hydraulic control valve production base, with a registered capital of 100.98 million yuan and a total area of over 40000 square meters. After more than ten years of hard work and development, it now has 36 middle and senior engineers and more than 100 technicians. To do a good job, one must first sharpen their tools. Good management, good ideas, and good talents require sophisticated equipment to truly enable enterprises to have strong production capacity and ensure excellent product quality. The company has over 220 production and testing equipment, including large horizontal machining centers, vertical machining centers, CNC lathes, CNC drilling machines, large vertical lathes, ordinary lathes, fully automatic submerged arc welding equipment, dual-purpose pressure testing machines for water and gas, automatic valve coating assembly lines, spectral analyzers, metallographic analyzers, tensile testing machines, low-temperature impact testing machines, ultra-low temperature testing equipment, cryogenic treatment equipment, ultrasonic flaw detectors, magnetic particle flaw detectors, ultrasonic thickness gauges, hardness testers, helium mass spectrometers, rubber aging testing systems, and coordinate measuring machines. At present, the company's leading products include gas ball valves, butterfly valves, globe valves, check valves, gate valves, etc. Product size range: DN10-DN1500 (NPS3/8 '-60'); Pressure rating range: PN6~420 (CLASS150~2500Lb), product working temperature range can meet: (-196 ℃~650 ℃), using standards such as national standard, American standard, Japanese standard, Korean standard, etc. The product is widely used in industries such as petroleum, chemical, natural gas, electricity, water supply and drainage, metallurgy and mineral resources. The company applies advanced management concepts to its factory management model through the UKAS-ISO international quality management system; The perfect combination of APIQ1 quality management system and on-site 6S standardization management, using advanced ERP and LMES production and manufacturing management systems to manage product processes, has achieved professional, automated, standardized, and programmatic organization of production. The company adheres to technological innovation as its development orientation, and has established a CAD valve design center, a 3D simulation manufacturing design system, a finite element analysis system, a material testing center, a low-temperature testing laboratory, and a valve testing platform to optimize product structure. It has also signed a cooperation agreement with Jiangsu University of Science and Technology to establish a graduate workstation for joint research and development to ensure the quality and speed of new product development and production. Liangzheng valves have all 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, API607 fire certification issued by TUV South Germany, SIL3 safety assessment certificate, CE EU certificate, integration of industrialization and industrialization certificate, intellectual property standardization certificate, AA measurement, AAA measurement system and other certificates. In January 2016, Liangzheng Valve was successfully listed on the Jiangsu Stock Exchange. We are honored to be one of the few Chinese valve manufacturing companies listed on the stock exchange. The company has successively become a supplier of materials for China National Petroleum Corporation, Sinopec, CNOOC, China Gas Group, China Resources Gas Group, Kunlun Energy, Xinao Gas Group, Ganghua Gas Group, Shenzhen Gas Group, Chongqing Gas Group, Taiyuan Natural Gas, Hangzhou Natural Gas, Shenyang Gas, TEDA Binhai Gas, Xinjiang Beiran, Baichuan Energy, Kuangyuan Energy, Aode Energy, Xinjiang Guanghui Energy, and Jinhong Energy China Petroleum Zhongtai Gas Group shortlisted supplier, Zhejiang Energy City Gas shortlisted supplier, Tianlun Gas Group shortlisted supplier, Fischer Junan (Emerson) important supplier, Shanghai Feiao important supplier, Yanchang Oilfield shortlisted supplier, Luxi Chemical shortlisted supplier, Sanfangxiang Group shortlisted supplier, Shenhua Guoneng, Huadian Group, Guodian Group, Huaneng Group, Datang Group and other major power plant supplier members, two provincial-level high-tech product certifications, the first provincial-level valve set certification, and all valves produced by the company have obtained type test certificates issued by the National Valve Testing Center. The company always adheres to the business philosophy of "integrity, innovation, safety, and efficiency", continuously providing customers with high-quality, cost-effective, and high-performance premium valves. Liangzheng has a strong and professional after-sales service team that maintains communication and exchange with customers at all times. With a 24-hour after-sales service hotline, we immediately respond to quality issues reported by customers. Our after-sales service personnel make substantive responses in the shortest possible time and rush to the scene to solve problems for customers. The sincere, responsible, and professional spirit of providing excellent service has gained the trust and recognition of users. For many years, Liangzheng has been committed to building a leading brand in gas valve control for pipeline transportation systems. Quality leads to efficiency, technology seeks innovation, and excellent quality and professional services meet the needs of our customers. With the most rigorous work style, advanced and safe product design, and favorable prices, we provide our customers with first-class products. Founded in 2003, Liangzheng Valve Co., Ltd. is a professional valve system integration solution provider specializing in valve research, design, manufacturing, sales, and service. The company has Changzhou gas valve production base, Binhai general valve production base, and Tianjin hydraulic control valve production base, with a registered capital of 100.98 million yuan and a total area of over 40000 square meters. After more than ten years of hard work and development, it now has 36 middle and senior engineers and more than 100 technicians. To do a good job, one must first sharpen their tools. Good management, good ideas, and good talents require sophisticated equipment to truly enable enterprises to have strong production capacity and ensure excellent product quality. The company has over 220 production and testing equipment, including large horizontal machining centers, vertical machining centers, CNC lathes, CNC drilling machines, large vertical lathes, ordinary lathes, fully automatic submerged arc welding equipment, dual-purpose pressure testing machines for water and gas, automatic valve coating assembly lines, spectral analyzers, metallographic analyzers, tensile testing machines, low-temperature impact testing machines, ultra-low temperature testing equipment, cryogenic treatment equipment, ultrasonic flaw detectors, magnetic particle flaw detectors, ultrasonic thickness gauges, hardness testers, helium mass spectrometers, rubber aging testing systems, and coordinate measuring machines. At present, the company's leading products include gas ball valves, butterfly valves, globe valves, check valves, gate valves, etc. Product size range: DN10-DN1500 (NPS3/8 '-60'); Pressure rating range: PN6~420 (CLASS150~2500Lb), product working temperature range can meet: (-196 ℃~650 ℃), using standards such as national standard, American standard, Japanese standard, Korean standard, etc. The product is widely used in industries such as petroleum, chemical, natural gas, electricity, water supply and drainage, metallurgy and mineral resources. The company applies advanced management concepts to its factory management model through the UKAS-ISO international quality management system; The perfect combination of APIQ1 quality management system and on-site 6S standardization management, using advanced ERP and LMES production and manufacturing management systems to manage product processes, has achieved professional, automated, standardized, and programmatic organization of production. The company adheres to technological innovation as its development orientation, and has established a CAD valve design center, a 3D simulation manufacturing design system, a finite element analysis system, a material testing center, a low-temperature testing laboratory, and a valve testing platform to optimize product structure. It has also signed a cooperation agreement with Jiangsu University of Science and Technology to establish a graduate workstation for joint research and development to ensure the quality and speed of new product development and production. Liangzheng valves have all 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, API607 fire certification issued by TUV South Germany, SIL3 safety assessment certificate, CE EU certificate, integration of industrialization and industrialization certificate, intellectual property standardization certificate, AA measurement, AAA measurement system and other certificates. In January 2016, Liangzheng Valve was successfully listed on the Jiangsu Stock Exchange. We are honored to be one of the few Chinese valve manufacturing companies listed on the stock exchange. The company has successively become a supplier of materials for China National Petroleum Corporation, Sinopec, CNOOC, China Gas Group, China Resources Gas Group, Kunlun Energy, Xinao Gas Group, Ganghua Gas Group, Shenzhen Gas Group, Chongqing Gas Group, Taiyuan Natural Gas, Hangzhou Natural Gas, Shenyang Gas, TEDA Binhai Gas, Xinjiang Beiran, Baichuan Energy, Kuangyuan Energy, Aode Energy, Xinjiang Guanghui Energy, and Jinhong Energy China Petroleum Zhongtai Gas Group shortlisted supplier, Zhejiang Energy City Gas shortlisted supplier, Tianlun Gas Group shortlisted supplier, Fischer Junan (Emerson) important supplier, Shanghai Feiao important supplier, Yanchang Oilfield shortlisted supplier, Luxi Chemical shortlisted supplier, Sanfangxiang Group shortlisted supplier, Shenhua Guoneng, Huadian Group, Guodian Group, Huaneng Group, Datang Group and other major power plant supplier members, two provincial-level high-tech product certifications, the first provincial-level valve set certification, and all valves produced by the company have obtained type test certificates issued by the National Valve Testing Center. The company always adheres to the business philosophy of "integrity, innovation, safety, and efficiency", continuously providing customers with high-quality, cost-effective, and high-performance premium valves. Liangzheng has a strong and professional after-sales service team that maintains communication and exchange with customers at all times. With a 24-hour after-sales service hotline, we immediately respond to quality issues reported by customers. Our after-sales service personnel make substantive responses in the shortest possible time and rush to the scene to solve problems for customers. The sincere, responsible, and professional spirit of providing excellent service has gained the trust and recognition of users. For many years, Liangzheng has been committed to building a leading brand in gas valve control for pipeline transportation systems. Quality leads to efficiency, technology seeks innovation, and excellent quality and professional services meet the needs of our customers. With the most rigorous work style, advanced and safe product design, and favorable prices, we provide our customers with first-class products.