Established in 2003, Sun-Rainbow Technology Co. Ltd. is the sole agent of the world top-level drilling equipment in China and specialized in providing air drilling equipment for oil-gas field, coal bed methane, gas mining, water well and pipeline construction. The leasing service covers most of provinces and cities in China. The branch company is located in Yantai city and the offices and leasing basements spread in Harbin, Shenyang, Zhuozhou in Hebei, Zhegnzhou, Xi’an, Chengdu and Urumchi.

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