1.precision casting,investment casting,304/316 stainless steel,building hardware, curtain wall ... :Mirror /Sation finish 1. Intruduction:precison casting,precision casting,investment casting,304/316 stainless steel,building hardware,glass handrail2.Size ... including the routels and the connector or only the spider precison casting,precision casting,investment casting,304/316 stainless steel,building ...