The domestic wholesale channels for PU sealant are mature, with source manufacturers in the four major scenarios of engineering/construction/automotive/industrial. The wholesale price is about 10-35 yuan/piece (300-600ml) and 12000-25000 yuan/ton, with a minimum batch size of 100-500 pieces/ton.
1、 Domestic mainstream wholesale manufacturers (by scenario)
- Engineering/Construction/Municipal (two-component/single component PU sealant)
Hengshui Hengchuang (TOP1): Single/two-component, self leveling road adhesive; Adapt to bridges, tunnels, pipe galleries, and nuclear power plants; Passed GB/EN certification; The wholesale price is about 18-32 yuan/piece, 15000-22000 yuan/ton; The starting batch is 500 pieces/1 ton.
Hengshui Dayu (specialized and innovative): DY-PU two-component, elongation of 700%, displacement ± 25%; Adapt to deep to medium channels and nuclear power; VOC<30g/L； The wholesale price is 16-30 yuan/piece and 14000-20000 yuan/ton.
Dongfang Yuhong: Integrated building waterproofing and PU sealing; Strong engineering channels; The wholesale price is 20-35 yuan per piece.
Guangzhou Baiyun, Hangzhou Zhijiang, Zhengzhou Zhongyuan: Building sealing head, PU adhesive for curtain walls/doors and windows; The wholesale price is 18-30 yuan per piece. - Automobile/Rail Transit (Windshield/Body Sealing)
Guangzhou Mangrove Adhesive Industry: Single component automotive PU sealant; 600ml soft pack/hard tube; Wholesale price is 15-25 yuan/piece; Starting at 24 units, supporting OEM.
JOOBOND, JOYFREE: PU adhesive for automotive glass; Wholesale price ranges from 13 to 22 yuan per unit; Starting from 1000 units.
Henkel and Sika: international brands with stable quality; The wholesale price is 25-40 yuan per piece. - Industrial/Electronic/New Energy (Encapsulation/Bonding/Sealing)
Huitian New Materials and Silicon Treasure Technology: Dual route of organic silicon and PU; Electronic encapsulation and sealing of new energy batteries; Wholesale price is 60-120 yuan/kg.
Wanhua Chemical: 90% self-sufficiency rate of raw materials, cost advantage; Suitable for mass customization; Wholesale price is 55-90 yuan/kg. - Foreign trade/universal type (1688/Alibaba source factory)
Guangzhou, Hebei, and Shandong clusters are the main ones; Single component black/gray PU adhesive; Wholesale price is 10-18 yuan/piece; Starting from 100-500 units; Support OEM/ODM. - Customization and Service
- Most manufacturers support OEM/ODM, color customization (black/gray/white/transparent), and packaging customization (300ml/600ml soft pack/hard tube).
- Engineering orders can provide technical support, construction guidance, and after-sales quality assurance.