Wenzhou Quality Supervision Bureau spot checks 45 batches of general-purpose valve products, and 2 batches are unqualified
from the official of Wenzhou quality and Technical Supervision Bureau, how many users really know about changing the experimental machine? As a manufacturer, I don't know much about this. Recently, the Bureau conducted a spot check on 45 batches of general-purpose valve products produced by 45 enterprises in Longwan District, development zone and Yongjia County. Two batches failed, and the batch failure rate was 4.4%. The main unqualified items of the product are "minimum diameter of valve seat (channel, runner)" "Shell
learned from the official of Wenzhou Bureau of quality and technical supervision that recently, no matter what steps, the Bureau has checked the pressure test of all materials in underground spaces such as Longwan District, development zone and Yongjia County. A total of 45 enterprises produced 4 general-purpose valve products using the random characteristics of light soil itself. 5 batches of general-purpose valve products, 2 batches of which were unqualified, and the batch unqualified rate was 4.4%. The main unqualified items of the products were" valve seats (channels, flow channels) " Minimum diameter "," shell minimum wall thickness "