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ABOUT WANQUAN

Hangzhou Wanquan Metal Hose Co., Ltd. is engaged in stainless steel corrugated hose and accessories R & D, manufacturing, service professional enterprises. The main products are: gas stainless steel bellows and accessories series, gas metal coated hose, water and solar stainless steel bellows series, stainless steel corrugated compensator, rubber soft joints, etc. 
The company has strong technical force and strong product research and development ability. The key processing equipment of stainless steel corrugated hose has been independently developed, has obtained nearly 40 national patents, including four invention patents, is a special fine special new enterprise in Zhejiang Province. Have independent intellectual property rights. From the stainless steel belt automatic welding pipe, on-line weld eddy current inspection, corrugated forming, atmosphere protection solution heat treatment, plastic coating, assembly and factory testing are completed by the company, production and testing equipment is perfect, mature manufacturing process, product quality is stable. 
The company and its wholly-owned subsidiary Zhejiang Wanquan Pipe Industry Co., Ltd. have a total of more than 60,000 m2 of modern workshop, more than 60 self-developed stainless steel corrugated hose welding pipe and corrugated forming automatic production lines, 5 atmosphere protection solution heat treatment lines, with the annual production capacity of more than 10 million stainless steel corrugated hose, gas transmission hose 10 million meters. The production and sales of small diameter (DN≤50) metal hose are in the forefront in China. 
"Perfect quality, foolproof" is our commitment to customers, but also our determination and confidence in product quality control. From the acceptance of raw materials into the warehouse to the product manufacturing of each process is strictly in accordance with the relevant provisions of ISO9001:2015, products implement strict process control, responsibility to people, product quality problems traced to people. 100% of the products before leaving the factory by air tightness test, prevent leakage of products leaving the factory. 
Wanquan will revitalize the national industry as its own duty, is committed to the development of "more reasonable structure, more perfect quality, more reliable performance" stainless steel corrugated hose product series, always dedicated to the society. At the same time, Wanquan will win the market with better service and more affordable price. Look forward to your support and cooperation.




Core competence

New product research and development: Wanquan Company is the leading technology in the industry, with nearly 52 patents, including 8 invention patents; Participated in the drafting of a number of national and industry standards, and constantly develop new products, always stand in the front end of the industry, product in the function or form of continuous improvement, strive to bring more quality products and services for customers. 
Technical innovation: The company is committed to technological innovation, increase the research and development and investment in automatic and intelligent production equipment, and encourage employees to optimize the existing production process and operation techniques, in order to save production time, labor costs, improve production capacity, product quality or make production safer, so as to reduce production costs, increase profits and maximize the total profit. 
Quality: The company carries out optimization and strict control from the aspects of raw material procurement, supplier selection, etc., and inspects and controls every incoming batch of materials according to the requirements. All nuts and joints are fully inspected by full-time personnel. The production process of each employee self-inspection and team leader inspection and quality control full-time inspector inspection. The appearance, size, leakage test of each bellows before leaving the factory, to ensure the quality of our products. 
Personnel: More than 70% of the company's staff are more than 5 years old employees, with skilled working skills and the spirit of integrating personal gains and losses with the company's interests, and our company advocates the idea of "everyone is a quality inspector, the next process is the customer", has been carried out until now, every employee has put the quality in the first place.




WANQUAN HISTORY
2023
The project of Zhejiang Wanquan Pipe Industry Co., Ltd., a wholly-owned subsidiary, has been accepted and put into operation
Awarded the title of Hidden Champion Enterprise in Zhejiang Province
Awarded the title of Hangzhou Patent Demonstration Enterprise
2022
Awarded the title of Zhejiang Province Specialized, Refined, Unique and New Small and Medium sized Enterprise
Certified by Zhejiang Product "Product Label"
2020
Certified through the Intellectual Property Management System
The construction project of the full process management system for metal hose production has passed the evaluation and acceptance of the Hangzhou factory IoT project
2018
The product has passed CE certification
Certified by ISO45001 Occupational Health and Safety Management System
Obtained the certificate of Provincial Advanced Technology Enterprise Research and Development Center
2016
As the chief editor, prepare the industry standard CJ/T490-2016 "Metal Coated Hoses for Gas Appliance Connections"
2014
"Stainless steel corrugated hose for gas appliance connection" passed the China Gas Association gas product certification. Participated in the drafting of CJ/T180-2014 "Manual gas valve for building" standard.
2013

Certified by the "Hangzhou Enterprise Technology Center". Obtained ISO14001:2004 environmental management system certification from Wantai Certification Company.
The stainless steel corrugated hose for gas appliance connection has been selected as a recommended product in the Chinese gas industry.
Stainless steel corrugated hoses and fittings for gas transmission have been selected as recommended products in the Chinese gas industry.
The stainless steel corrugated hose wall device for gas transmission has been granted a national invention patent.


2012
Successfully moved to a new factory; passed the acceptance of the National Torch Program project; passed the review of Zhejiang Province High-tech Enterprise; obtained the "Special Equipment Manufacturing License" issued by Zhejiang Provincial Bureau of Quality and Technical Supervision. 8 models of corrugated stainless steel hoses for gas appliance connection passed CSA certification and successfully entered the U.S. market.
2011
Listed as "Hangzhou Patent Pilot Enterprise"