集装箱半自动拉索吊具20尺和40尺（全球联保）（起重机升降来拉动绳索而使转销旋转90度，在此作用下实现旋锁旋转90度，达到旋锁锁上和打开的目的）

1．适合ISO标准集装箱；2.旋锁装置无需人工拉索既可实现旋锁动作。

Semi-Automatis Stay Rope Container Spreaders in 20 feet and 40 feet:

A)     It is suitable to ISO standards container.

B)     Twistlock structures can finish the twistlock movemens without manual rope.

紫石集装箱吊具的工艺生产要求

1.       同类产品中性价比*高的品牌, 高强度的镍铬钼合金钢材料锻造而成，具有良好的抗疲劳能力, 所有产品和零件在热处理后全部通过并合格于磁粉探伤检验，性能在同类产品之上。

2.       所有的品质规范均依据美国ASTM A-952-98及欧盟EN版本实施的检验，

3.       所有产品和零件均需以2.5倍的安全荷重力，100%全数实施预拉并合格于荷力全检规范,以确保产品热处理工程的强度及韧性。

4.       所有的工件*低强度需求，均须符合在*低（4倍）的安全荷重力以上。

5.       分光仪材质分析确保每一批原料元素成分的正确性

6.       所有的吊钩销全部经过涡电流检验，以确保相同的硬度品质。

7.       较大的工件产品因恐于锻造工程中产生的内裂使用超音波检验。

Purpuratus process container spreader production requirements
1. Similar products in the most cost-effective brand, high-strength Ni-Cr-Mo alloy steel by forging the material has good anti-fatigue ability, all products and components in heat treatment and after all the tests pass in Magnetic Particle Testing, performance in similar product.
2. All the quality norms in the United States are based on ASTM A-952-98 and EN version of the European union the implementation of the inspection,
3. For all products and spare parts required for the safety of 2.5 times the load, and 100% of the full implementation of pre-qualified in Latin America and the Netherlands seized the entire force to guarantee the strength of product heat-treatment works and toughness.
4. All the work needs a minimum strength required to meet the minimum (4 times) more than the safety of the load force.
5. Spectrometer Analysis of material to ensure that every batch of raw material composition of the correctness of the elements
6. All the hook after selling all the eddy current inspection to ensure the quality of the same hardness.
7. Workpieces larger product works due to fear generated in the forging of the use of ultrasound examinations within the cleft.