Cangshan Chemical Park Wastewater Upgrade in Zhejiang Announces Candidates for Equipment Supply and Installation Package

On 19 October 2026, the Zhejiang Provincial Public Resources Trading Service Platform published the bid candidate announcement for the equipment supply, installation and commissioning package (Lot 1) of the Cangshan Chemical Park wastewater treatment upgrade project. The project code is 2410-331023-89-01-540052 and the tendering authority is Tiantai Economic Development Zone Water Operations Co., Ltd.

The tender required bidders to hold a Grade 1 general contracting qualification for mechanical and electrical engineering works, with the proposed project manager holding a Grade 1 registered constructor credential in mechanical and electrical engineering plus a valid safety production assessment certificate. Consortium bids were not accepted.

The announced candidates and their bid prices are:

• Zhejiang Industrial Equipment Installation Group Co., Ltd. — RMB 40.50 million
• Taiyuan No.1 Construction Engineering Group Co., Ltd. — RMB 40.60 million
• Shanghai Wudong Construction Group Co., Ltd. — RMB 40.59 million
• China Construction Third Engineering Bureau No.2 Construction Engineering Co., Ltd. — RMB 42.00 million
• Originwater Construction Group Co., Ltd. — RMB 43.19 million

All candidates committed to a 150-day schedule and a “qualified” quality standard, and no bidder was rejected. The notice also disclosed comparable track records, including county WWTP capacity expansion and upgrading, EPC contracting for a high-tech park's second wastewater treatment plant, and plant-wide equipment supply and commissioning for WWTP expansions.

The Cangshan project is a typical case of centralised pollution control in an industrial park. Delivery of its core equipment package will support the upgrading and stable operation of the park's wastewater treatment system, providing the hardware basis for consistent compliance of chemical park effluent.