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Wuxi Shengtao Metal Materials Co., Ltd.

11 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Precision Pipe, Seamless Pipe, Welded Pipe, Stain less Steel Pipe, Shaped Pipe
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Wuxi Shengtao Metal Materials Company Limited, a combined enterprise located in Jiangsu Wuxi, specializes in metal materials and products. Our company, Wuxi Shengtao Metal Materials, boasts a dedicated steel pipes workshop with a daily maximum capacity of 130 tons. Spanning an area of 2, 124 square meters, our 26-employee team includes experts operating 14 high-tech machines, such as cold-drawing, cutting, screw heading, and flattening machines, all with 8 years of operation. Despite having a moderate workforce, our commitment to quality is evident with one quality control inspector ensuring rigorous standards are met. Although our R&D team is currently limited, we maintain a quick turnaround time of 50-100 units for new products, emphasizing our efficiency and dedication. With an annual production capacity that supports our wide range of metal pipes and materials, we serve clients worldwide, including North America, Southeast Asia, Oceania, and Europe. Our products are trusted by brand businesses, engineers, wholesalers, and manufacturers. Furthermore, our export experience spans over 9 years, ensuring reliable and high-quality deliveries. Wuxi Shengtao Metal Materials has earned industry recognition with certifications such as ISO9001, EU testing certification, CPR and RoHS, reflecting our commitment to quality and compliance.

Zhejiang Yinli Industry and Trade Co., Ltd

1 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Stainless Steel Pipe, Stainless Steel Tube, Flange, Valve, Pipe Fittings, CNC Precision Machining, Stainless Steel Round Bar, Stainless Steel Plate
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Since 1995, Yinli has been a trusted manufacture and supplier of top-quality pipes, pipe fitting, flanges,  vales and CNC machining in the oil, gas renewable energy and mining sectors. We holds more than 10, 000 tons stainless steel pipes in stock across 200+ sizes. Stocked sizes ship within days; Most products ship in 7-15 days.

XINHANG SPECIAL MATERIAL CO.,LTD HANGZHOU BRANCH

4 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Stainless Steel Seamless Tube/Pipe, Stainless Steel Flanges, Stainless Steel Tube Fittings, Stainless Steel Pipe Connector, Stainless Steel Welded Tube/Pipe, Stainless Steel Bright Seamless Tube/Pipe,
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company was founded in 2007 and moved to Longyou Economic Development Zone, Zhejiang Province in 2022. It covers an area of 130, 000 square meters, more than 30 production lines, and an annual output of 50, 000 tons. It has passed ISO9001: 2008 quality management system, PED 97/23/EC EU Pressure Equipment Directive certification, China Special Equipment Manufacturing License (Pressure Tube) TS certification, ASME certification, provincial enterprise standardization management system, ISO14000: 2004 environment Management system, cleaner production (green enterprise) and a series of certifications, as well as China Classification Society (CCS), American Bureau of Shipping (ABS), British Register of Shipping (LR), Deutsche Veritas (GL), Bureau Veritas Society (BV), Det Norske Veritas (DNV), Korean Register of Shipping (KR) factory certification. The main products include stainless steel pipes, pipe fittings, flanges, valves, etc., which are widely used in petroleum, chemical industry, nuclear industry, smelting, shipbuilding, pharmaceuticals, food, water conservancy, electric power, new energy, mechanical equipment and other fields. The company adheres to the corporate tenet of "quality for survival, reputation for development" and wholeheartedly serves every customer to create a win-win situation.

Zhejiang Sailing Steel Industry Co., Ltd.

Main Products:
Stainless Steel Pipe, Stainless Steel Seamless Pipe, Welded Stainless Steel Pipe, Sanitary Stainless Steel Pipe, Heat Exchanger Tube, Stainless Steel Seamless Tubing, Stainless Steel Tubing, High Purity Clean Pipe, Welded Stainless Steel Tube, Ss Pipe
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
ZHEJIANG SAILING STEEL INDUSTRY Co., Ltd was founded in 2011 in Wenzhou. We are a manufacturer devoted to the production and sales of stainless steel pipes and tubes, including seamless & welded stainless steel pipes and tubes, sanitary pipes, heat exchange tube, special steel material pipes. The material we are dealing including 304/304L/321/321H/310S/347H/316L/316Ti/317L/2205/2507, and Nickle base Alloy. The standards to be implemented are ASTM A312, ASTM A213, ASTM A269, ASTM A511, ASTM A789, ASTM A790, JIS3463, JIS3459, DIN2462, DIN17458, DIN17456, EN10216-5.

Shanghai South Geely Industrial Co., Ltd.

Main Products:
Aluminized Steel Pipe, Stainless Steel Pipe, Carbon Steel Pipe, Titanium Pipe, Seamless Steel Pipe, Steel Coils
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shanghai South Geely Industrial Co., Ltd. is located at Wanke QiBao International Intellectual Park in Shanghai, China with about 5KM away from SHA (Shanghai Hongqiao Airport), and 45KM away from PVG(Shanghai Pudong Airport).

China Steel Material & Pipe Company

4 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Seamless Steel Pipe, Precision Steel Pipe, Galvanized Steel Pipe, Square Steel Pipe, Irregular Steel Pipe
Country/Region:
Tianjin, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Company China Steel Material & Pipe Company, together with its subsidiaries Company JinHuaTai (Tianjin) International Trade Co, Ltd, Company HuaQiYouFa Pipe Tech, and Company ZhongTian ZhongGong, are affiliated to the same group. One-stop steel material, steel pipe&plate, section steel and customization tailored to your needs more than 2 years. Our steel material supply 30 out of 32 regions in China. It has 4 offices in China, 1 international branch in Tianjin; 3factories(2 in LiaoCheng, 1 in JingHai).

Huzhou Dingshang Stainless Steel Co., Ltd.

Main Products:
Welded Stainless Steel Tubes, Stainless Steel Pipes/Tubes, Welded Stainless Steel Pipes, Welded Tube, Heat Exchanger Tubes, Steel Pipe/ Tubes, Stainless Steel Pipes, Stainless Steel Tubes, Welded Stainless Steel Tube, Seamless Stainless Steel Pipe
Country/Region:
Zhejiang, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Huzhou Dingshang Stainless Steel Co., Ltd is located in Huzhou City, at the south bank of Taihu Lake, in the center of "Yangtze River Delta", close to Hangzhou and Shanghai.

Zhejiang Sodo Stainless Steel Mfg Co., Ltd

7 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Stainless Steel Pipe
Country/Region:
Zhejiang, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
ZHEJIANG SODO STAINLESS STEEL MANUFACTURING Co., Ltd. Was founded in the 2000 and is located in Longwan District of Wenzhou, known as China's largest production base for stainless steel. SODO specializes in steel pipes, pipe fittings, round steel, pipe coils, flanges, pipe valves, pipe joints, hydropneumatic pipe fittings, joints and others made from such materials as austenitic steel, super austenitic steel, duplex steel, super duplex steel, nickel-based alloys and urea-grade stainless steel.

Changsha Huichen Automobile Trading Co., Ltd

3 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Wholesale Exhaust Pipe truck Exhaust Pipe, Insulated Steel Pipe, Steel Pipe with Compensator, Corrugated Pipe, Steel Pipe, Bend, Muffler, Cover Casing, Mobile Hopper, Box, Central Dust Collector
Country/Region:
Hunan, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Changsha Huichen Automobile Trading Co., Ltd. Was established in 2007 and is a representative professional manufacturer in Hunan that integrates the development, production, sales, and service of engineering supporting non-standard equipment. The company is equipped with modern production equipment and facilities, and has introduced industry-leading production and testing equipment. Adhering to the business philosophy of professionalism, focus, and efficiency, and based on the service tenet of humanization, the company is committed to the research and manufacturing of products such as stainless steel, iron, and aluminum pipe fittings, thin plate parts, silencers, various toolboxes, electrical equipment boxes, various platforms, cabinet bodies, and powder material mixing and conveying equipment. The products are widely used in fields such as engineering machinery, commercial vehicles, buses, passenger cars, new energy, food, medical, and chemical industries.

Tianjin Hengji Supply Chain Co., Ltd

Main Products:
Hastelloy Alloy, Monel Alloy, Inconel Alloy, Incoloy Alloy
Country/Region:
Tianjin, China
Sample Service:
Sample Available
Company Profile:
Tianjin Hengji Supply Chain Co., Ltd is a comprehensive management company, established in 1989, but with decades of experience in the industry. We supply aerospace, medical, energy, oil & gas, automotive & train, high tech, and specialty alloys to some of the most prestigious names in the industry worldwide, and are experts in sourcing specialty metals and "difficult to obtain" grades and alloys. We are experts in exporting all around the world and have successfully supplied to over 80 countries.  

Wenzhou Guohao Steel Co., Ltd

Main Products:
Stainless Steel Seamless Tube/Pipe, Duplex Stainless Steel Tube/Pipe, Nickel Alloy Tube/Pipe, Stainless Steel Welded Pipe, Stainless Steel U Tube, Stainless Steel Coiled Tube, Stainless Steel Plate, Pipe Fitting, Stainless Steel Bar, Fin Tube
Country/Region:
Zhejiang, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Wenzhou Guohao Steel Co., Ltd was established in 2008. We are an ISO9001: 2015 approved manufacturer and stockist of stainless steel products, such as seamless pipes, welded pipes, pipe fittings, and flanges. Our commitment to quality at competitive prices has earned us acclaim from our clients. Guohao Steel now offers a comprehensive range of manufactured stainless steel products, further enhancing its already extensive portfolio of high-performance nickel alloys.

Jiangsu Daocheng Pipe Industry Technology Co., Ltd.

6 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Stainless Steel Pipe, Stainless Steel Pipe Fitting
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangsu Daocheng Stainless Steel Pipe Co., Ltd is one of the world's foremost stainless steel pipe and fitting suppliers, with almost 18 years of experience in stainless steel pipe and fitting production. Solid experience and passion for technology form the basis for our production of tubes with different diameters ranging from 15 mm to 300 mm. Our diversified portfolio and high-quality standards define our reputation among stainless steel pipe and fitting suppliers. Our pipes have been successfully used in water company, medical and hotel system, real estate cases, metro and airport engineering, high speed rail project, nuclear power engineering and other fields.

Jiangsu Yintuo Precision Technology Co., Ltd.

Main Products:
Stainless Steel Pipe, Seamless Pipe, Precision Tube, Stainless Steel Sheet, Stainless Steel Coil, Nickel-Based Alloys
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangsu Yintuo Precision Technology Co., Ltd. is a professional manufacturer specializing in the R&D, production, processing and technical services of stainless steel pipes and precision tubes. Located in Jiangsu, China, Yintuo provides stainless steel tubing solutions for industrial piping, chemical processing, energy, engineering, semiconductor, medical and other applications.

Shandong Fenghong New Material Technology Co., Ltd.

4 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Stainless Steel Storage Tank, Stainless Steel Plate, Stainless Steel Pipe, Carbon Steel Plate, Carbon Steel Pipe, Galvanized Sheet, Seamless Steel Pipe, Aluminum Plate, Aluminum Pipe
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Fenghong New Materials Technology Co., Ltd. is a modern steel enterprise specializing in the research, development, production, processing, and sales of metal materials. With years of experience in the industry, it has become a core supplier for numerous engineering construction and industrial manufacturing clients thanks to its high-standard production system, meticulous quality control processes, and customized service solutions.

Jiangsu Aoguang Corrugated Pipe Co., Ltd.

23 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Flexible Metal Hose, Wire Braid, Metal Bellows, Bellows Expansion Joint, Rubber Expansion Joint, Fabric Expansion Joint, PTFE Hose, Camlock & Quick Coupling, Pipe Fittings
Country/Region:
Jiangsu, China
Sample Service:
Sample Available
Company Profile:
With 20+ years of expertise, we are a leading force in Chinese flexible piping industry. Our products include flexible metal hose, wire braided sleeve, metal bellows, bellows expansion joint (compensator), rubber expansion joint (compensator), fabric expansion joint (compensator), PTFE (F4& F46) hose and expansion joint (compensator), composite hose, metal-resin high pressure hose, camlock coupling, quick coupling and various pipe fittings, air door and stainless steel chimney.

Nanos Biomaterial (Suzhou) Co., Ltd.

Main Products:
Hypotube, PTFE Products, PTFE Mandrel, PTFE Guide Wire, Parylene Mandrel, Balloon Catheter(Ptca/Pta/Ent), Guide Wire(Ptca Guide Wire), Nasal Airway Stent, Medical Capillary Steel Tube, Medical Capillary Core Wire
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Nanos Biomaterials (Suzhou) Co., Ltd. Was established in June 2016 and is a subsidiary of Nanos Group.

Zhe Jiang Yue Ding Corrugated Tube Co., Ltd.

27 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Exhaust Flexible Pipe, Exhaust Clamp, Hose Clamp, Exhaust X/Y Pipe, Truck Exhaust Pipe, Pipe & Cable Clamps, Exhaust Elbow, Exhaust Accessories, Exhaust Tip, Metal Bellow
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Founded in 1992, Zhejiang Yueding Corrugated Tube Co., Ltd. is a professional manufacturer of exhaust flexible pipes, metal hoses, corrugated compensators, and related exhaust system components. Our product range also covers exhaust clamps, fittings, truck exhaust pipes, and other supporting parts, helping customers simplify sourcing and maintain better compatibility across different exhaust system projects.

Wenzhou Joneng Valves Co., Limited

4.5
Main Products:
Butterfly Valve, Diaphragm Valve, Check Valve, Pipe Fitting, Sample Valve, Union, Cpm Valve, Centrifugal Pump, Manhole Cover, Safety Valve
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
JoNeng valves company was started in 2007. Located in the stainless steel industry zone, Wenzhou, China.

SHAANXI RUIYANG IMPORT EXPORT CO., LTD.

Main Products:
Steel Pipe, Stainless Steel, Steel Wire Rope, Stainless Steel Bar, Aluminium, Anchor Bolt, Marine Hardware, Reformer Tube, Bolts and Nuts, Centrifugal Cast Tube
Country/Region:
Shaanxi, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company supplies different kinds of products. High quality and favorable price. We're pleased to get your Inquiry and we will come back to as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we provide the products with good quality at the reasonable price.

Qingdao Pengrui Machinery Co., Ltd.

15 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Electromechanical Equipment and Parts
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company offers variety of products including: Fasteners, Auto Fasteners, Metal Fabrication work and plastic rubber fasteners. Which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force...

SHANXI XINCONGBANG METAL PRODUCTS CO., LTD.

4 yrs
·Trading Company
Main Products:
Stainless Steel pipe, Stainless steel, Carbon steel, Galvanized steel, Aluminum, Copper, Nickel
Country/Region:
Shanxi, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
In the ever-evolving world of international trade, our company stands as a beacon of quality, reliability, and innovation. Specializing in the production and export of stainless steel, carbon steel, copper, and aluminum, we have established ourselves as a trusted partner for businesses across the globe. With decades of experience, cutting-edge technology, and a commitment to excellence, we cater to a diverse range of industries, including construction, automotive, aerospace, energy, and manufacturing.

Shandong Zhongxuan Metal Materials Co., Ltd.

5 yrs
·Trading Company
Main Products:
Steel Sheet, Steel Pipe, Steel Profile, Stainless Steel Pipe, Stainless Steel Sheet, Stainless Steel Coil
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Zhongxuan Metal Material Co., Ltd is a modern enterprise integrating production, processing and trade, and is a leading iron and steel enterprise group in China.

Zhejiang Decheng Stainless Steel Co., Ltd.

11 yrs
·Trading Company
Main Products:
Stainless Steel Seamless Pipe, Stainless Steel Welded Pipe, Stainless Steel Sanitary Mirror Pipe and High PU, Stainless Steel Pipe Fittings, Stainless Steel Flange, Special Material Pipes, Stainless S
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Zhejiang Decheng Stainless Steel Co., Ltd. Was founded in 1997. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers.

Jiangsu Rongyi Metal Co., Ltd

Main Products:
Stainless Steel Sheet, Stainless Steel Pipe, Stainless Steel Coil, Stainless Steel Wire, Galvanized Sheet, Seamless Pipe, Channel Steel, Stainless Steel Angle Steel, Stainless Steel Profiles
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangsu Rongyi Metal Co., Ltd was established in 2018 with a registered capital of RMB 50 million and has more than 20 years of experience in the steel industry. Annual sales are nearly RMB 1 billion and steel production is about 300, 000 tons.

Foshan Esang Metal Products Co., Ltd.

Main Products:
Stainless Steel Pipe, Railing Systems, Balustrade & Handrail Fittings, Shower Rooms & Accessories
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Foshan ESANG Metal Product Co., Ltd. Limited Is Located In Foshan City In Guangdong Province Of China, Which Is A Group Company Established In The Year Of 2005.

Joho Steel Co., LTD

7 yrs
·Trading Company
Main Products:
Seamless Steel Pipe, Boiler Steel Tube, ERW Steel Pipe, Pipe Fittings
Country/Region:
Hunan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
JOHO STEEL Co., Ltd, was founded in 2020, is a steel group which has integrated steel production, processing and trading into one.  We specializes in manufacturing carbon seamless steel pipes, boiler tube/heat exchanger tube and pipes for special uses,  besides, it also provides anti-corrosion services and pipes fittings processing for major engineering construction projects. Our products are widely used in the field of oil, gas & fluid transmission, construction projects, chemistry, pharmacy, electricity,  agriculture and metalwork etc.

Shandong Standard Metal Products Co., Ltd.

5.0
Main Products:
1050 Aluminum Sheet, 5083 Aluminum Plate, Insulated Copper Pipe, 304 Stainless Steel Plate, 304 Stainless Steel Sheet, 310 Stainless Steel Plate, 316 Stainless Steel Plate, Lead Sheet, Lead Glass, Copper Sheet
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Standard Metal Products Co., Ltd. is located Shandong Province, We are professional suppiler with reputation for superior quality and advanced technology. Our company mainly supply all kinds of Steel Products, Ferrous Materials, X-ray Shielding Products etc.

Huzhou Dapu Advanced Material Technology Co., Ltd

Main Products:
Stainless Steel Tube, Stainless Steel Seamless Tube, Stainless Steel Welded Tube, Nickel Alloy Pipe, Stainless Steel Seamless Pipe, Stainless Steel Welded Pipe, Nickel Ally Bar, Nickel Alloy Sheet, Stainless Steel Plate, Stainless Steel Pipe Fitting
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Huzhou Dapu Stainless Steel Co., Ltd, is a company specialized in producing and marketing stainless steel pipe products. The company is jointly established by two companies which are professional manufacture of stainless steel welded pipe and stainless steel seamless pipe respectively. Company has professional production equipment and advanced testing equipment. We also have passed certificated by ISO9001-2000 and PED, and have obtained the Manufacture License of Special Equipment People's Republic of China.

Dengwei International Trading (Shang hai)Co.,ltd

11 yrs
·Trading Company
Main Products:
Alloy, High-Temperature Alloy, Nickel Based Alloy, Duplex Stainless Steel, 316 Stainless Steel, Stainless Steel, Nickel Alloy
Country/Region:
Shanghai, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Dengwei International Trade is mainly engaged in various high-end steel import and export businesses, and is a brand enterprise in the metal circulation industry

Stone Industrial Co., Ltd

23 yrs
Main Products:
Pressfittings, Press Fittings and Pipes, Carbon Steel Zinc Plated Pressfittings, Stainless Steel Pressfittings, Kpress-Epoxy Carbon Steel Pressfittings, Kpress-Superdyma Carbon Steel Pressfittings, Kpress-Zinc Carbon Steel Pressfittings, Ipress-304/316L Stainless Steel Pressfittings
Country/Region:
Sichuan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Linkplus, is a quality manufacturer of Carbon steel and Stainless steel Pressftting Systems, with a modern factory taking an area of 30, 000sqm in Wuhu, China. Our products are widely applied to piping systems such as Fire-Fighting, Gas, HVAC, Industry Water, Compressed Air, Drinking Water, Solar Thermal and Waste Water, etc. Equipped with advanced production lines, testing facilities, and a skilled R&D team, Linkplus operates quality systems of ISO 9001, ISO 14001, and ISO 45001. We believe innovation is our core strength, ensuring reliable, high-performance products and efficient service for customers worldwide. Our factory manager has over 20 years of industry experience and has contributed to multiple national and industry standards, including: GB/T 19228 (Stainless Steel Press-Fit Fittings) GB/T 27891 (Carbon Steel Press-Fit Fittings) GB/T 11618.2 (Copper Press-Fit Fittings) CJ/T 152 & CJ/T 520 (Stainless Steel Press & Grooved Fittings) He also developed of patented technologies like friction-welded press fittings, self-sealing plug-in joints, and electric pressing tools, driving continuous innovation in the industry.