欧美成人一区二区三区高清_香蕉国产综合久久猫咪_亚洲精品国产字幕久久不卡_亚洲一区二区三区精品国产

How to reduce the cost of punching needles and thimble, how to reduce the cost of punching needles, thimble processing costs, how to reduce the cost of punching needles and thimble processing costs [詳情]

The proportion of medium pressure die casting mold industry will continue to increase. With the development of vehicle and motor products towards lightweight, more and more demands will be placed on the quantity, life and complexity of die casting die. Wi [詳情]

The layout principle of the thimble of the mould: (1) the thimble arrangement should make the output of the ejector as balanced as possible. Demoulding force required for complex structural parts [詳情]

Twenty-first Century is a scientific and technological generation, die-casting machine and die casting die parts of the change in the overturn, and the casting mold parts use more and more wide range, driving the rapid development of the die casting mold [詳情]