DW系列外注式单体液压支柱,与金属顶梁配合,供煤矿一般机械化采煤高档工作面支护顶板用,也可供综合机械化采煤工作端头支护用,适用于煤层倾角小于25°的缓倾斜回采工作面.采取一定的安全措施,也可用于倾角25°-35°的回采工作面.工作介质采用含M10乳化油2%的乳化液。
Shandong Zhengchang Coal Mine Machinery Co., Ltd. (formerly known as Zibo Boshan Zhengchang Coal Mine Machinery Co., Ltd.) is located in the hinter heart of ancient state of Qi (dynasty name in ancient China) of Shandong province, enjoying an advantaged geographical location and convenient transportation. The company covers an area of 45,000 m2, employs more than 200 people and has powerful and advanced production, processing and detection devices as well as a sound quality assurance system.
Zhengchang mainly produces a complete specifications of mining single hydraulic props, prop disassembly machines, light emulation pumps, series of water ring vacuum pump (gas drainage pump) scrapers, crushers, three-function valve experiment table and other coal mine machine devices under the brand of Xinchang. Besides, Zhengchang also boasts the “Coal Mine Safety Mark Permit”, “Production License” and “Designated Coal Industry Supporting Product Manufacturer” issued by national authorities. Over the years, Zhengchang has been named “Advanced Enterprise with Trustworthy Product Quality” by the National Technology Supervision Bureau, “Contract-honoring & Promise-keeping Enterprise” by the Quality Association, etc.
In a principle of “Guaranteed Quality, Reputation Foremost, User First, Warm Service”, we warmly welcome you!
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