我们公司新产品—D型手拉葫芦，较普通产品具有以下特点：
1. 整体机身采用高 强度板材拉伸冲压而成，强度高；
2. 葫芦整体轻便小巧玲珑，体积小，重量轻，便于携带，解决空间狭小不便于作业疑难问题；
3. 配置X型大开口吊钩，吊钩高 强度合金钢锻打热处理而成，上、下钩架为硅溶胶精密铸造，强度高；
4. 内部齿轮传动件均采用20CrMnTi合金钢和严格的渗碳热处理工艺，相对比传统工艺增加了齿轮的抗耐磨性；
5. 手罩壳采用卷边加强筋设计，外观精美，整体机身强度更高，增加手拉链运行顺畅度；
6. 采用高 强度G80辰力专 利链条。
Our coompany’s latest products.D Series chain block.Compared with common products，they have the following characteristis.
1. The whole body is made of high quality and high strength sheet metal；
2. this chain block as a whole is，small in size，light in weight and easy to carry，so as to solve the difficult problems of narrow space and inconvenient operation；
3. Equipped with X type large opening hook，hook of high strength alloy steel forged heat treatment，upper and lower hook frame for silicon sol precision casting，higher strength；
4. The internal gear transmission parts are made of 20CrMnTi alloy steel and strict carburizing heat treatment process，which increases the wear resistance of the gear compared with the traditional process；
5. The hand cover shell adopts the design of rolled edge reinforcement，with exquisite appearance，higher overall body strength，increasing the smooth operation of the hand chain；
6. Use high strength T8 European standard lifting chain.
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