In the last 17 years, SERENCO-SANJAY never stopped to invested, to improve.
We are now 10 workshops, with over 500 employees, able to work all kind of metal components.
Mostly located in Zhejiang, they are all pro-reactive and very performant. We can supply company in, Brass, Bronze, Aluminum & Zinc Alloy, Copper, Steel & Stainless, Steel, Iron, etc…
Using all kind of technology, Casting, Machining, Assembling, etc…

Working according to international standard we all the time follow the technical specifications defined with our customers.
The quality is followed during the production and final controls are all the time done before shipments (Conformity to drawings, performances, aspects, packaging)
A technical report is issued without delay after the control.

Our factory producing our copper fitting range

Our production line for Gaz Regulator

From the die, to the control. We control each production step