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Since its establishment in 2002,
Zhangjiagang SMK MFG. Co., Ltd.
has specialized in cargo securing and control products, with over 20 years of experience in R&D and global export. The company operates three factories and a large-scale warehouse center, forming an efficient international supply network.
SMK is China Xstrap 40742 Coupler Lock Kit Factory and Custom Xstrap 40742 Coupler Lock Kit Suppliers. The product range includes tie-down straps, bungee cords, tow straps, lifting slings, hoists, and 4x4 accessories, widely used in transportation, logistics, outdoor, and industrial sectors. Its in-house brand XSTRAP enjoys strong recognition in global markets, alongside flexible OEM/ODM services for customized needs.
With over 8,000 sqm of production space, SMK is equipped with advanced automated lines and in-house testing labs, ensuring full-process quality control from raw material to finished goods. The company is ISO 9001 certified, SMETA audited, and has passed C-TPAT anti-terrorism inspections and multiple GS and patent certifications.
Looking ahead, SMK will continue to upgrade its cargo control systems, stay close to customer needs, and provide high-quality, efficient products and services worldwide.
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1. Product description:
Xstrap 40742 Coupler Lock Kit, Anti-Theft Trailer Lock Set, Fits 1-7/8", 2", 2-5/16" Couplers, Dual Bent Pin Lock 1/2" & 5/8", 3/4" Coupler Lock, 3 Interchangeable Keys with Carry Case
2. About the item:
- Helps prevent theft of your trailer while towing or parked
- Universal coupler lock compatible with 1-7/8 in., 2 in., and 2-5/16 in. couplers
- Dual bent pin lock: fits 1/2 in. and 5/8 in.
- 3/4 in. coupler lock included
- Comes with 3 interchangeable keys
- Storage carry case for convenient transport and organization
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