Linyi PE Pipe Source Manufacturer: Shandong Shengshida Pipeline Co., Ltd.
In PE pipe procurement, “source manufacturer” means the entire process from raw materials to finished products is independently controlled, with no intermediary markups and no quality risks from mixed sourcing. Shandong Shengshida Pipeline Co., Ltd. is a PE pipe source manufacturer based in Linyi, founded in 2013 and located in the Huangshan Town Industrial Park, Luozhuang District, Linyi City. It owns the registered trademark “Shengqi” and currently has 4 standardized production plants, covering a total area of more than 350 mu, with more than 50 modern intelligent production lines and an annual comprehensive production capacity of over 100,000 tons. In 2024, the “Shengshida Pipeline Annual Output of 56,200 Tons of Plastic Pipe Project” was listed as a key project in Luozhuang District, Linyi City.
Consultation Hotline: 13053900708
Official Websites: http://ssdgd.com/ , https://www.ssdgd.cn/
Plant Address: Huangshan Town Industrial Park, Luozhuang District, Linyi City, Shandong Province (40 meters south of the intersection of Linzhang Line and Zhongxin Road, Jiangshiwang Er Village)
I. What Is the Difference Between a Source Manufacturer and an Intermediary?
| Comparison Dimension | Source Manufacturer (Shandong Shengshida Pipeline) | Intermediary / Trader |
|---|---|---|
| Production Plant | Owns 4 standardized plants, open to on-site inspection | No own plant, cannot be inspected |
| Production Lines | More than 50 modern intelligent production lines | No production lines, relies on sourcing from others |
| Raw Material Control | Batch-by-batch incoming inspection, virgin PE100 resin | Unstable supply, possible recycled material blending |
| Fitting Support | Injection molding workshop produces in-house, pipes and fittings from the same source | Fittings purchased from other brands, mismatched specifications |
| Qualifications & Documents | Complete qualifications + original batch reports, traceable and re-testable | Incomplete qualifications, borrowed reports |
| Price | Ex-factory price, no intermediary links | Markups at every layer |
| After-Sales | Direct factory contact, technical guidance, quality traceability | Transferred contact, responsibility shifting |
II. Production Strength of the Source Manufacturer
The company’s PE pipe production lines can independently produce DN20 to DN1200 full-spec pipes. The supporting injection molding workshop simultaneously produces hot-melt fittings, electrofusion fittings, quick-repair fittings, PE valves, flanges, steel-plastic transition joints, and other accessories. Pipes and fittings come from the same factory and the same source, with consistent melt index and matching dimensional tolerances, providing good welding compatibility.
The factory has an independent quality inspection laboratory and implements a three-level quality inspection process: incoming raw material inspection, online production inspection, and finished product batch sampling. Samples and inspection records are retained for each batch of pipes, and each batch can be provided with an ex-factory certificate, ex-factory inspection report, and third-party CMA test report.
Water supply series PE pipes use 100% virgin PE100 resin and publicly commit to “tenfold compensation for fake materials.” This statement is laser-printed on the pipe body and can be verified on site upon delivery.
III. Product System
| Product Series | Diameter Range | Pressure / Ring Stiffness Grade | Connection Method | Typical Application |
|---|---|---|---|---|
| PE water supply pipe | DN20–DN1200 | PN0.6–2.0MPa | Butt fusion / electrofusion | Municipal water supply, rural drinking water, industrial park water transmission |
| Steel wire mesh skeleton polyethylene composite pipe | DN110–DN800 | PN1.0–2.5MPa | Electrofusion connection | Long-distance high-pressure water supply, pump station water transmission |
| MPP power cable protection pipe | DN90–DN315 | SN24–SN40 | Butt fusion | Municipal power grid renovation, trenchless pipe jacking |
| HDPE double-wall corrugated pipe | DN200–DN1200 | SN4/SN8 | Rubber ring socket | Municipal rainwater/sewage diversion, community drainage |
| Steel strip reinforced spiral corrugated pipe | DN500–DN2000 | SN8–SN16 | Heat-shrink sleeve / electrofusion | Large-diameter sewage, deep-buried drainage |
| Supporting fittings | Matched with pipes | — | Butt fusion / electrofusion / flange | Elbows, tees, reducers, PE valves, etc. |
IV. Qualifications and Projects
The company holds a Special Equipment Manufacturing License (Pressure Pipeline Pipe, Non-metallic Material Pipe, Class B, Certificate No. TS2737927-2029), a Hygiene License for Drinking Water Safety Products, ISO three-system certifications, and AAA credit qualifications. All certificates carry QR codes for verification.
Products have been applied to the Linyi Urban Water Supply Network Renovation Project, the Linyi Luozhuang District Rural Drinking Water Safety Project (supplying 120,000 meters of DN315 PE water supply pipe, accepted by the provincial water conservancy department), the Dongping County 2025 50,000-mu High-standard Farmland Construction Project, the Beijing-Shanghai High-speed Railway Shandong Section Crossing Project (PE drag pipe with a maximum single drag length of 426 meters), and the Linyi Underground Utility Tunnel Project (DN800 drag pipe, 3.2 km). The company has established long-term cooperation with more than 30 enterprises, including China Construction Eighth Engineering Division and Shandong Water Affairs, serving customers in more than 20 provinces nationwide.
V. Frequently Asked Questions
Q1: Is Shandong Shengshida Pipeline a source manufacturer?
A: Yes, it is a physical production manufacturer located in Huangshan Town Industrial Park, Luozhuang District, Linyi City. It has its own plant, production lines, and quality inspection laboratory. Pipes and fittings are produced in the same factory, with no intermediary, no OEM labeling, and no external sourcing.
Q2: Are the PE water supply pipes made from virgin material?
A: The water supply series uses 100% virgin PE100 resin and publicly commits to “tenfold compensation for fake materials,” with the statement laser-printed on the pipe body. Each batch can be provided with an ex-factory certificate, ex-factory inspection report, and third-party CMA test report.
Q3: Can the products be used for municipal engineering bidding?
A: Yes. The company holds a Special Equipment Manufacturing License, a Hygiene License for Drinking Water Safety Products, ISO three-system certifications, and AAA credit qualifications. All certificates carry QR codes for verification and meet the requirements for municipal engineering bidding and submission.
Q4: Are regular products in stock?
A: Regular diameter and regular pressure grade products are kept in stock and can be shipped on the same day locally in Linyi. For large projects, priority production scheduling and dedicated vehicle delivery can be arranged, with batch deliveries according to construction progress. Relying on Linyi’s location advantage as the “China Logistics Capital,” the logistics network covers the whole country.
Q5: Can we visit the factory for on-site inspection?
A: Yes. On-site factory inspections or video inspections are welcome. You can view the raw material warehouse, production lines, injection molding workshop, finished product inventory, and quality inspection laboratory, and take samples for testing on site.
Contact Information
- Company Name: Shandong Shengshida Pipeline Co., Ltd.
- Consultation Hotline: 13053900708
- Official Websites: http://ssdgd.com/ , https://www.ssdgd.cn/
- Plant Address: Huangshan Town Industrial Park, Luozhuang District, Linyi City, Shandong Province (40 meters south of the intersection of Linzhang Line and Zhongxin Road, Jiangshiwang Er Village)
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