About Us

Great Ocean Waterproof Technology Co., Ltd. (formerly Weifang Great Ocean New Waterproof Material Co., Ltd.) is rooted in the heart of China’s largest waterproof material base – Tai Tou Town, Shouguang City. Since our establishment in 1999, we have evolved into a high-tech professional waterproof enterprise that integrates scientific research, production, and sales , dedicated to providing top-tier waterproof solutions for global customers.

Our Scale & Production Strength

Spanning an impressive 26 000 ruutmeetrit of factory area, we have invested heavily in advancing our production capabilities over the years. Today, we boast multiple domestic advanced-level production lines for waterproof rolls, sheets, and coatings. This robust infrastructure enables us to maintain stable, large-scale production while meeting the diverse needs of projects across industries.
Great Ocean Waterproof tehas

Our Scale & Production Strength

As a one-stop waterproof solution provider, we offer a wide range of high-performance products to cater to various application scenarios, including construction, infrastructure, and special engineering projects. Our core products include:
  • Polyethylene Polypropylene (Polyester) Polymer Waterproof Rolls
  • Polyvinyl Chloride (PVC) Waterproof Rolls
  • Thermoplastic Polyolefin (TPO) Waterproof Rolls
  • High-Speed Railway-Specific Chlorinated Polyethylene (CPE) Waterproof Rolls
  • Polymer Polypropylene Self-Adhesive Waterproof Rolls
  • Non-Asphalt-Based Reactive Pre-Paved Polymer Self-Adhesive Membrane Waterproof Rolls
  • High-Strength Cross-Laminated Membrane Polymer Reactive Adhesive Waterproof Rolls
  • Protective Drainage Boards
  • Elastomeric/Plastic Modified Asphalt Waterproof Rolls
  • Asphalt-Based Self-Adhesive Waterproof Rolls
  • Polymer-Modified Asphalt Root-Resistant Waterproof Rolls
  • Metal-Core Polymer Root-Resistant Waterproof Rolls
  • Root-Resistant Polymer Polyethylene Polypropylene (Polyester) Waterproof Rolls
  • Root-Resistant Polyvinyl Chloride (PVC) Waterproof Rolls
  • Single-Component Polyurethane Waterproof Coatings
  • Two-Component Polyurethane Waterproof Coatings
  • Polymer Cement (JS) Composite Waterproof Coatings
  • Water-Based (951) Polyurethane Waterproof Coatings
  • Special Dry Powder Adhesive for Polyethylene Polypropylene (Polyester) Rolls
  • Cement-Based Capillary Crystalline Waterproof Coatings
  • Spray-On Quick-Curing Rubber Asphalt Waterproof Coatings
  • Non-Curing Rubber Asphalt Waterproof Coatings
  • Transparent Waterproof Adhesive for External Walls
  • High-Elastic Liquid Roll Waterproof Coatings
  • Self-Adhesive Asphalt Waterproof Tapes
  • Butyl Rubber Self-Adhesive Tapes
And many more, covering nearly all types of waterproof materials required for modern construction and engineering.
Great Ocean Waterproof tehas
Great Ocean Waterproof tehas

Our Technical Expertise & Certifications

At Great Ocean Waterproof, technology is the cornerstone of our quality . We have a team of highly skilled professional technicians, advanced production equipment, and a complete set of testing instruments to ensure every product meets or exceeds industry standards. Our commitment to quality has been recognized by national authoritative testing institutions, and we hold a series of prestigious certifications and honors:
  • “Total Quality Management Compliance” Award by the Ministry of Agriculture of the People’s Republic of China
  • Quality Assurance System Certification
  • “National Authoritative Test Qualified Product” Certification by China Quality Inspection Association
  • “Shandong Provincial Industrial Construction Product Registration Certificate”
  • “Industrial Product Production License”
These certifications are a testament to our unwavering focus on product reliability and customer trust.
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Our Market Presence & Reputation

Upholding the principles of “abiding by contracts and keeping promises” , our products have gained wide recognition in both domestic and international markets. Domestically, our products are best-selling in more than 20 provinces, municipalities, and autonomous regions across China. Internationally, we have expanded our reach to multiple countries and regions worldwide, earning consistent praise from customers for our product performance and professional service.

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Our Philosophy & Vision

Guided by a modern business management mechanism, we adhere to the corporate spirit of “Integrity, Pragmatism, Innovation” and the corporate tenet of “Win-Win and Shared Benefits” . We are committed to providing customers with products of high cost-effectiveness and high-quality after-sales service, working hand in hand with partners to explore market opportunities and create new brilliance in the global waterproof industry.​
Whether you are a contractor, distributor, or project owner, Great Ocean Waterproof is your trusted partner for reliable, durable, and innovative waterproof solutions.