Sand bottom die-casting padlock series, sentinel production "earth" brand iron padlock series, breed diversity, the specification is complete.
砂底压铸挂锁系列，定点生产“地球”牌铁挂锁系列，品种多样，规格齐全。
2
Suddenly discovered that the bottom of my heart there is a sad, sad is not worth it - even though it made a lot of efforts, can be like casting pearls before swine, there is no effect!
突然发现心底有一种悲哀，不值得付出的悲哀——尽管为之做出很多努力，可就像对牛弹琴，没有任何效果！
3
Under traveling magnetic field, casting ZL102 aluminum alloy thin-section castings' best process is: using stainless steel as bottom mold, voltage is between 220v-235v.