Jianlong Plastic-32 Years Specializing in Customized Processing of Plastic Pipes and Fittings.
For over 32 years, Shandong Jianlong Plastic Co., Ltd. has built a strong reputation as a professional HDPE pipes manufacturer, specializing in high-performance plastic pipe systems for engineering and infrastructure projects.
Recently, Ms. Dong, a key leader of the company, personally visited the production workshop to inspect the manufacturing progress of double wall HDPE pipe – specifically the HDPE double-wall corrugated pipe. Her on-site supervision ensures that every batch meets strict quality standards.
During the inspection, Ms. Dong communicated closely with frontline workers, reviewing every detail of the production process. From raw material selection to extrusion and forming, the company maintains rigorous control over each step. This hands-on approach reflects the company’s 32-year commitment to craftsmanship and quality assurance.
In addition to double wall HDPE pipe, Shandong Jianlong Plastic Co., Ltd. also supplies
Double containment HDPE pipe (ideal for high-safety fluid transport)
PVC pipes
Other HDPE pipe systems
As a trusted HDPE pipes manufacturer, the company ensures that every product – whether for drainage, municipal engineering, or industrial applications – is reliable, durable, and precisely manufactured.
Why choose Shandong Jianlong?
✔ 32 years of specialized experience
✔ On-site executive supervision (Ms. Dong’s regular inspections)
✔ Strict control over production details
✔ High-quality PVC and HDPE pipes
✔ Expertise in double wall HDPE pipe and double containment HDPE pipe
For projects requiring dependable piping solutions, contact an experienced HDPE pipes manufacturer that delivers quality from the workshop to the world.
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Contact Us
Contact: Manager Zhang
Tel: +86 17860052961
E-mail: jianlongplastic@gmail.com
Address: Jinger Road, Jiaoshan Town, Ju County, Rizhao City, Shandong Province