Dongguan firm's packaging co., LTD mainly produces drink easy pull cover, aluminum cover, tinplate easy pull cover products, such as easy pull cover product with safety and health, non-toxic tasteless, high quality materials, at the same time use the MINSTER punch high-speed production lines, Japan AADA punch high-speed production lines and form a complete set of advanced perfect easy pull cover inspection testing equipment, makes the product modeling beautiful essence; Design precision, sealed performance is good, all have diarrhoea, not intake, to ensure that product quality is durable.

Weld visual inspection appearance: the production process by operators eyes watching outside the tank, the tank the weld quality of the qc inspection. Visual can only identify very obvious flaws, such as solder joint is too weak, welding, solder joint burn through heat welding, uneven solder joints, solder joint leakage welding spatter, beginning or end of tank not lap, lap amount is too large or inadequate.

Weld strength check (spherical tester) inspection method is as follows: the test samples on spherical tester, the ball with the weld seam into a straight line, the ball along the body welding line movement, the expansion of the welding outside convex 1 ~ 2 mm (adjustable), remove the body from the spherical tester, identification of weld cracking and fracture.