Ps injection of a o-type hanger hook fusion where the break will be the reason?
Should be the raw material from the side of the package to get here the air hold together with the air pressure on the material flow is less than you together in the fusion place to open an exhaust like
PS This material is poor toughness, poor impact resistance, this material in the welding at the impact resistance is poor, you can consider in the joint line to open a cold material package, that is, it spilled a little material, so that the product will not There is a line, and it is not easy to break.
