Shandong Wanji Plastic Co., Ltd. was established in May 2010 in Hulai County, Zibo City, Shandong Province. It is a specialized plastic pipe system research, manufacturing, and installation company with over a decade of experience.
Shandong Wanji Plastic Co., Ltd. was established in May 2010 in Hulai County, Zibo City, Shandong Province. It is a specialized plastic pipe system research, manufacturing, and installation company with over a decade of experience.
Wanji Plastics has built an annual production capacity of 40,000 tons of gas pipelines using its German Battenfeld automated extrusion production line. Its gas pipeline products meet the transmission and distribution needs of China Resources Gas, making it a stable supplier for the latter. This cooperation has helped Wanji Plastics achieve strong production and sales, and these cooperative orders have driven the continuous growth of its natural gas pipeline business sales revenue, while also providing reliable pipe material guarantees for China Resources Gas's related gas transmission pipeline network construction.
China Metallurgical Construction Group's core objective in Shandong is to efficiently advance various infrastructure and public welfare projects, creating high-quality projects. Partnering with Wanji Plastics provides access to localized building material supply channels, reducing transportation and time costs associated with sourcing from other regions and ensuring project progress. Simultaneously, Wanji Plastics offers more flexible supply and after-sales support, helping China Metallurgical Construction Group achieve project goals such as meeting the "Taishan Cup" standard, further solidifying its influence as a central state-owned enterprise in Shandong's infrastructure market.
Wanji Plastics provides one-stop supporting services to help China Power Construction Corporation efficiently advance projects, ensuring the timely commissioning of offshore photovoltaic, ultra-high voltage, and power plant projects, and successfully achieving core objectives such as energy conservation, emission reduction, and ensuring regional energy security.
Normal user
Normal user
Normal user
We are a municipal engineering construction company with extremely high requirements for pipe specifications and delivery cycles. Shandong Wanji Plastics' pipe specifications cover DN20 to DN1200, fully meeting our diverse construction needs. Even more surprisingly, even with large orders of thousands of tons, they can accurately control the production schedule and deliver goods strictly according to the contractually agreed time, without any delays. Their teamwork is excellent, communication is smooth, and they are a reliable partner for municipal engineering pipe procurement."
Normal user
Normal user
Upon learning that Shandong Wanji Plastics had long-term partnerships with several large gas companies, we decisively initiated cooperation. Our actual interactions revealed that their pricing system was transparent and standardized, with no hidden fees, and their detailed quotations were reassuring. Whether it was small-batch emergency purchases or large-scale projects worth tens of millions, they provided consistently high-quality service, tracking the entire process from order confirmation to logistics delivery. This efficient service system laid a solid foundation for our cooperation."
General manager