Number 7 adopts 4MS low-lead copper material that complies with the European REACH standard, and passes the spectrometer test to ensure the quality of raw materials. The sand core is made of imported environmentally friendly resin proportion, and it is one-piece finished  by using Italian IMR gravity casting machine

Since its establishment in 1997, as a professional faucet design and manufacturing service provider, "Number 7" has been focusing on design and innovation for 23 years, following the practical and aesthetic design concepts. Number 7 has established 4 major R & D centers (Yuhuan, Xiamen, Spain, Italy), constantly drawing on cutting-edge innovative elements, and independently designing and developing multiple products won the German IF and Red Dot Design Awards. The products are exported to more than 20 countries around the world, and the sales annual value of production  increase 15% every year.