3D打印模板

The transparent pipe is not electrified, and it is not corroded by current. It does not neThe transparent pipe is not electrified, and it is not corroded by current .....

A full range of cold water, hot water, mineral water, medical pure water transportation system and related equipment con...

The most troublesome thing in our construction is to buy transparent pipe fittings with poor quality. This can not only ...

In the production of general resin, the consumption of PVC resin is the lowest and the production cost is the lowest. In...