Cangzhou Mingzhu Plastic Co., Ltd. was founded by Dongsu Group as a branch company. Our main product was the HDPE double wall corrugated pipe.
We began to produce silicone core pipes for communication projects.
We began to manufacture and supply PE pipes and fittings for gas and water pipeline systems.
We obtained ISO9001 and ISO14001 certification. The same year we also invested in a BOPA film production line, and supply of BOPA flexible package film.
We were listed on the Shenzhen Stock Exchange, under the stock number 002108.
We acquired the Dezhou Xidongli BOPA film factory.
We set up Wuhu Mingzhu Plastic Co., Ltd. to produce PE pipes.
We established a new factory in the Cangzhou High-tech Development Zone to make PE fittings, BOPA film and lithium ion battery separators.
We established Chongqing Mingzhu Plastic Co., Ltd. in Chongqing City to make PE and BOPA film.