Open tender (Project No.: CCTC10232841). This procurement is a one-time bulk purchase, with a delivery period requirement of within 12 days of receiving notification, placing high demands on the supplier's production and delivery capabilities. Qingdao Haodeboer Industrial Co., Ltd. successfully won the bid for this project, with a total bid price of RMB 23,984,265. Qingdao Haodeboer Industrial Co., Ltd. ranked first with the shortest delivery period and the best price, demonstrating its rapid delivery capability and comprehensive competitiveness in the pipe supply field.
Plastic-coated composite steel pipe (threaded pipe). The base pipe is made of high-quality welded or seamless steel pipe, with an epoxy resin coating on both the inner and outer walls, providing excellent corrosion resistance and a smooth inner wall. The pipe ends are machined with standard tapered threads, enabling quick on-site threaded connections, making construction convenient and efficient. The pipelines comply with standards such as GB/T 3091 and CJ/T 120, and the products meet national coal mine safety requirements. They are suitable for large-scale pipeline projects for underground coal mine water supply, drainage, compressed air, grouting and other systems.
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