BT1052 china valve

Quality and inspection: Fegular checking on line from production in each workshop, one special inspector inspect the goods in random during the period time of production. we are able to provide you test certificate and mill certificate if required. Production step : 1) purchasing the material and forged the semi-products . 2) processing the semi-products in workshop . 3) assembling the goods . 4) testing the sealing in pressure and checking quality of the goods 5) package 6) deliveing the goods on time . china valve