Xianghui (Hainan) Cement Products Co., Ltd. | Island-wide Supply · Direct from Lingshui
1. Product Overview
Concrete inspection chambers are key precast components in underground utility networks for municipal drainage, wastewater treatment, and power/telecommunications systems. They enable pipe connections, flow direction changes, routine maintenance, and emergency repairs, ensuring the safe operation of underground infrastructure.
Our products are manufactured in strict compliance with national standard drawing set 22S521 "Prefabricated Assembled Concrete Inspection Well" and industry standard JC/T 2241-2025 "Prefabricated Concrete Inspection Well," ensuring reliable quality.
II. Product Specifications
Circular Manhole:
∅800、∅1000、∅1200、∅1500、∅1800
Rectangular Manhole:
1100×1100、1400×1200、1400×1600、1600×1600、1800×1200、1800×1400、1800×1600、1800×1800、2000×1400
Performance Metrics:
Concrete strength grade ≥ C30
Waterproof grade ≥ P8
Fits pipe diameters ≤ 2000mm
Maximum allowable burial depth ≤ 7m
3. Prefabricated Manholes vs. Brick-Manhole Construction
Comparison Item: Construction Method
Precast Concrete Manhole: Factory-Prepared, Site-Assembled
Masonry Inspection Well: On-site masonry, wet construction
Comparison Item: Construction Timeline
Precast concrete manhole: Compact. Lift and assemble in place.
Masonry Inspection Well: Length, requires masonry, plastering, and curing.
Comparison Item: Quality Stability
Prefabricated Concrete Manholes: High, Industrial Production
Masonry Manhole: Low; susceptible to weather and manual labor variations
Comparison Item: Impermeability Performance
Precast Concrete Inspection Well: Good, concrete is dense.
Masonry Inspection Well: General; mortar joints prone to leakage
Comparison Item: Load Capacity
Precast Concrete Inspection Well: Strong
Masonry Manhole: General
Comparison Item: Environmental Impact
Prefabricated Concrete Inspection Well: Good for reducing on-site wet work.
Masonry Manhole: General
4. Company Strength
Xianghui (Hainan) Cement Products Co., Ltd. is headquartered in Changhua Town, Changjiang Li Autonomous County and is one of the largest cement product manufacturers and suppliers in Hainan Province.
Production Workshop: 80 acres
Production staff: more than 100
Own fleet: 20+ vehicles
Provincial Coverage: Production bases or distribution centers are established in 13 cities and counties, including Lingshui, Haikou, Wenchang, Qionghai, Wanning, Sanya, and others.
Credit Certification: AAA Enterprise Credit Certification
Quality Assurance: All products include third-party inspection reports and certificates of conformity.
V. Typical Project Achievements
Project Name: Haikou Jiangdong New District Pipeline Network
Partner: China Railway 16th Bureau Group
Products supplied: Inspection chambers, concrete pipes
Project Name: Wanning Shimei Bay Resort
Partner: China Resources Group
Products supplied: Inspection chambers, concrete pipes
Project Name: Danzhou Rural Black and Odorous Water Governance
Partner: Hainan No. 7 Construction Group
Products supplied: Inspection chambers, concrete pipes
Project Name: Dingan Sewage Plant Upgrade and Renovation
Supply product: Sewage inspection well
Project Name: Dongfang Shisuo Village Relocation and Resettlement
Partner: China Construction Eighth Engineering Division
Supply Product: Electrical Inspection Well
Project Name: Chengmai Laocheng Technology New City
Partner: China Power Road & Bridge
Supplied Products: Sewage Manholes, Utility Manholes
Project Name: Sanya Honghua Harmonious Countryside
Partner: Guangdong Taishan Construction
Supplied Products: Inspection Chambers, Rectangular Utility Shafts, Covers
Project Name: Sanya Vanke Project
Partner: Vanke
Products supplied: Manholes, concrete pipes, curbs
6. Business Contact
Lingshui and island-wide engineering projects: one-stop procurement of concrete inspection wells, cement pipes, covers, curbs, and other cement products—direct from the source manufacturer.
Consultation hotline: 13976833019
Headquarters Address: Changhua Town, Changjiang Li Autonomous County, Hainan Province
Service Area: Island-wide delivery. Production facility located in Lingshui.
