Your Reliable Sealant Manufacturing Partner
Qingdao Longvictor Chemical Co., Ltd. is a professional caulking sealant and and waterproofing coating manufacturer and supplier in China.
We focus on high-performance solutions for construction, flooring, and building waterproofing applications, including flooring adhesives, bathroom and kitchen sealants, and general construction sealants.
We serve contractors, distributors, and project-based buyers worldwide, providing stable bulk supply and OEM customization.
√ Flooring Adhesive
√ Montage adhesive
√ Chemcial Anchor Adhesive
√ Waterproof Coating
√ Silicone Sealant
√ Acrylic Sealant
√ Polyurethane Sealant
√ MS Polymer Sealant
Reliable Supply & Manufacturing Strength
We focus on providing high-performance sealants and waterproof coatings for construction and building applications.
We provide stable bulk supply and OEM services for global distributors, contractors, and construction project partners.
Our solutions ensure reliable performance in construction, roofing, and waterproofing projects.
Start Your Project & Get a Quote12+ Years Export
Experience
Proven sealant & coating manufacturing experience
20,000㎡ Production
Facility
Large-scale factory for stable sealant and waterproof coating bulk supply
3+ Production Lines for
Bulk Supply
Ensuring fast and stable order fulfillment for construction projects
130+ Countries
Exported
Trusted by global contractors and distributors
10,000+ Tons Annual
Capacity
Reliable supply for large-scale projects
R&D Team
(10+ Engineers)
Ongoing product & formula improvement
Our sales team is trained to support professional buyers in the construction sealant industry, including contractors, wholesalers, and OEM partners.
We provide fast response, accurate product recommendation, and professional support from inquiry to shipment.
We are a professional manufacturer of caulking sealant, focused on delivering consistent quality for construction and industrial applications.
Every batch of caulking sealant is released only after passing a 5-step QC process. Raw material → Process monitoring → Sampling → Testing → Final inspection
We focus on reducing on-site application risk by ensuring strong adhesion substrates, with stable performance in temperature changes, humidity, and long-term outdoor exposure.
Beyond simple logo customization, we provide comprehensive private label and OEM packaging support. This includes customized cartridge, sausage, and bucket printing, multilingual label content, packaging design assistance, and compliance support for different markets.
