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Founded in 2003, factory of SINPO is located in the City of Valves - Yuhuan, Zhejiang, China. In 2018, SINPO moved its sales & administration headquarters to the CBD core business district in Qianjiang New Town, Hangzhou, Zhejiang.


As a comprehensive company, SINPO is a collection of R&D, manufacturing and sales. It is engaged in industrial valves, plumbing valves, agricultural and forestry irrigation, etc. Its main products are stainless steel valves, stainless steel pipe fittings, brass valves, plastic valves and pipe fittings. SINPO works on providing best solutions for the fluid pipeline projects.


SINPO has passed the Quality Management System Certification (ISO9001), Manufacture License of Special Equipment (TS), Environmental Management System Certification (ISO14001), Occupational Health System Certification (ISO45001) and Communate Europpene (CE).




With the continuous development of business, SINPO established its phase I industrial park, which covers an area of 20000 square meters. It set up respectively with stainless steel valves & pipe fittings production workshop, brass valves production workshop and plastic products production workshop. With more than 209 sets of machining equipments, 3 test labs, and 309 employees (including 5 senior engineers, 3 intermediate engineers, 29 administrative satff and 18 quality control staff), SINPO becomes one of the leaders in the field of fluid process control.

SINPO always adheres to the idea that “product quality process control is the key”. And with 15 years of experience in export sales, it has gained the trust of customers in more than 30 countries.

With the continuous investment in research and development, SINPO staff strive to provide every customer with high-quality & cost-effective products and carry out the purpose of the company (SINPO means to make the cooperation between the company and its customers to be simple and achieve a win-win situation for both sides).

On our way to become one of the international strength brands, SINPO sincerely invites customers from all over the world to cooperate with us and create a better tomorrow together.


The legendary life of Eric Chang, brand founder of SINPO, who comes from the capital of Valves&Fittings,Yuhuan City,Zhejiang Province China makes the SINPO VALVE what it is.


Professional R&D, design and sales team provide you with 7/24 hours service.


One-stop purchase experience to meet your greatest needs.

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