Venden Group is a special materials group driven by application research and development, mainly serving photovoltaic manufacturing and special metal wire customers. In 2011, Venden was rated as one of the top 10 enterprises with investment value in China. After the wave of bankruptcy in the photovoltaic industry, the company has maintained a healthy growth. As one of the few leading companies in the subdivided industry, the company has not suffered a loss. By the end of 2016, the actual tax payment has exceeded 400 million RMB. This is a new deacidification and heavy metal removal project.
Changzhou Temple, Jiangsu Province
Difficulty in waste water:
Wastewater mainly includes acid pickling, degreasing wastewater, waste acid, waste degreasing liquid, process flushing water, and wastewater containing Zn and Cu
Wastewater discharge standard, degreased water advanced oxidation treatment