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Pipeline for the Dafengbei Tailings Pond: Copper Plant No. 2 (DN250, two lines) – 5,000 meters, and Copper Plant No. 3 (DN410) – 2,500 meters, in Shanghang, Fujian.

Phase I tailings pond pipeline for the Xizang Julong Copper Mine, DN595, 2 lines, 6,000 meters.

Shanxi Zijin Mining: one DN250 filling pipeline, 1,400 meters long, and the tailings pump house piping.

Diaphragm pump piping and grinding‑classification process piping at Shanxi Zijin Mining

Pipeline DN410, 2,000 meters, at the Yutian Pit Tailings Pond of the Zijinshan Gold-Copper Mine

New dry‑discharge pipeline for tailings at the Zijinshan Gold–Copper Mine, DN410, 1,500 meters long.

Xinjiang Zijin Gold Tailings Pipeline, DN350, 2 lines, 5,600 meters

Magang Co., Ltd. Gushan Mine Tailings Pipeline, DN250, 2 lines, 15,000 meters

Cast stone pipe for tailings from Kazakhstan’s Jetisu Tungsten Industry, DN450–4600 mm

Two DN750 cast‑stone composite pipelines, 14,000 meters in total, at the Wangjiaping Tailings Pond of Jinduicheng Molybdenum Co., Ltd.

Shanxi Zijin Mining tailings pipelines, DN250, 2 lines, 15,000 meters

DN1000 cyclone sand discharge pipe at the Copper Plant No. 3 of the Zijinshan Gold-Copper Mine

Construction Drawings of Shanxi Zijin Mining Co., Ltd.

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Penglai Hua'an Cast Stone Pipe Fittings Co., Ltd.

Phone: +86-535-3355888

Mobile phone: +86-13562597539

Mobile: +86-18906453888

Email: manager@hazsgj.cn

Fax: +86-535-5627588

Address: No. 1, Banning Road, Nanwang Industrial Park, Penglai, China

Website: www.hazsgj.cn

Lu Public No. 37068402000219

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WhatsApp：8613562597539

Phone：+86-18906453888

Phone：+86-13562597539

Email：manager@hazsgj.cn