... .brass body ,zinc handle ,brass Cartridge. 2.chromed plated & polished 3.Top quality ,Reasonable price, Zinc/brass angle valve ,angle valve ... could provide your test certificate and mill certificate if required .(3) Production Step : 1.purchasing the raw materials and forged ... the semi-products. 2. processing the semi-products in workshop 3.assembling the goods . 4. testing the sealing in pressure and ...