Welcome to Jinan Changhong Hi-Tech Compound Pipe Co., Ltd. official website

Shandong Helen Environmental Protection Science and Technology Development Co., Ltd.  Shandong Bide Complete Equipment Co., Ltd.

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Address: No. 1556 Lingyan Road, Changqing City, Jinan                                                             Telephone: 0531-87218556               Fax: 0531-87226788             Zip code: 250300

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Mobile website

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Mobile website

WeChat QR code

International Communication

Investigation of water treatment project in Germany

Technology cooperation between Germany and the company

Strengthening international exchanges

Investigation of water treatment project in Germany

Investigation of anaerobic fermentation project

Water treatment      engineering       site 

Investigation of foreign expert Enterprises

Technical exchange with India company