... copper-zinc alloy, housings made from carbon steel.We supply PHS series including:POS 5, POS 6, POS8 ... 1997. Registered with Chinese government, has own workshop, we show our factory by this website link: http://www ... ’re welcome,We will reply within 24 Hours!Other products supplied by us. If you want to inquiry ... Escrew is acceptable for us. Also if you want to pay by PayPal, is also acceptable for ...