Shandong Sanzeng New Materials Co., Ltd.

Shandong Sanzeng New Materials Co., Ltd. is an integrated supplier covering sealant R&D and production, filling equipment, and packaging materials, with products exported to more than 30 countries and regions worldwide. The company is headquartered in Linqu County, Weifang City, Shandong Province — the renowned "Capital of China's Aluminum Profiles" and a hub of the silicone sealant industry cluster. With a brand deeply rooted in the sealant industry for many years (tracing back to 1994), the company has grown into a professional sealant manufacturer with significant industry influence, building a complete three-in-one industrial chain of "sealant products + packaging containers + filling equipment" — one of the few integrated enterprises in China covering the entire upstream and downstream of the sealant business.
Our Main Products:
I. Sealant Products (core business, nearly 100 models): Silicone sealants (acid-curing, neutral-curing, weather-resistant, general-purpose, and structural types), MS polymer sealants, acrylic sealants, polyurethane (PU) sealants, no-nail adhesives (construction adhesives), PU foam, tile grout, fire-resistant sealants, high-tack sealants, and anti-mildew sealants for kitchens and bathrooms. They are widely applied in building doors and windows, curtain wall projects, home decoration, automotive, electrical, and industrial electronics fields.
II. Sealant Packaging Materials (in-house production): Full range of cartridges from 240ml to 310ml and 2600ml large-capacity drums (HDPE/PP/PE materials, with customizable colors and logo printing), plastic bottles, paper bottles, aluminum-plastic tubes, plastic drums, composite flexible packaging aluminum film, two-component packaging bottles, static mixers, nozzles and end caps, as well as 400ml/600ml sausage film packaging.
III. Sealant Filling Equipment (in-house production): Single-cylinder and double-cylinder semi-automatic filling machines, fully automatic filling machines, automatic capping machines, conveying lines, sausage-film filling machines, 60-ton hydraulic press machines, etc., with filling accuracy of ±2g and speed of 30–60 pieces/min. We also provide customized complete production line solutions for sealant manufacturing.
Our Certifications: The company has obtained ISO 9001 Quality Management System Certification, ISO 14001 Environmental Management System Certification, and ISO 45001 Occupational Health and Safety Management Certification. Selected export products have passed CE certification and RoHS compliance certification, and we hold SGS performance and safety testing reports.
Our Services: OEM/ODM private label customization (full flexible customization covering packaging, printing, formulation, and filling, supporting private brands); free samples and technical product selection consultation; customized filling production line solutions; 24-hour after-sales online support with free replacement of damaged parts within 6 months for equipment; and expertise in international logistics and packaging requirements, supporting exports via ports such as Qingdao.