4、塔吊修理时，必须让修理人员佩戴安全带，以防发生意外。

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　　三、材料。各工地缺的材料，工地负责人要尽早上报公司，禁止各工地承包方直接向公司要材料，必须经工地负责人和材料保管员签字后方可进材料。另外各工地尽量相互调整使用材料

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• Use keywords related to your blog's topic.
• Avoid using hyphens or numbers.
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　　主要出口**，韩国，欧美等地。公司本着“客户第一，诚信至上”的原则，与多家企业建立了长期的合作关系。并在行业内取得了良好的口碑，随着公司的不断发展扩大，公司通过多元产品的发展策略以求覆盖更