Number 7 has established a complete quality controal system. The testing center has passed the CNAS national laboratory certification, and the equipment configuration has reached the international standard level. The products are tested in accordance with European EN817 and other international market standards for valve core life testing, product multi-function life testing, Thermostatic faucet life test, blasting test and other 10 tests, in order to create ingenuity and precision quality, become the most trusted product design and manufacturing service supplier for customers.

The company has its own master mold design and manufacturing capabilities, and we adopts the  new techical CNC machine to make the perfect design concept. Raw material selection

Raw material selection Number 7 adopts 4MS  low-lead brass  material that is same as  European REACH standards, and has passed spectrometer testing to ensure the quality of raw materials.

The sand core is molded by using  environmentally  resin

It uses Italy's IMR Casting Machine to finished one time .

The multi spindle  special machine is used to ensure the accuracy of the product, and finished the different step  in one clamping, and we complete as the strictly   inspection standards

We make the Full product testing high level  than industry standards

After layer by layer, the product is polished and then combined with automatic polishing equipment to complete the surface clear and achieve the mirror effect, and then proceed to 100% inspection.

We make a strictly inspection standard  by Multilayer electroplating ,it’s makes the surface of products durable and bright.

We use the TPS production line and automatic assembly line ,it’s make the high quanlity product and get a good repution for my customers.