Product Classification Letter Codes
Flat Hinge ---------------------------------------- CL
Non-flat Hinge ------------------------------------ HT
Stamped Handle ---------------------------------- LS
Cast Handle -------------------------------------- DMK
Silent Hinge with Rubber Ring and Sleeve -------------- ZL
Door Lock ---------------------------------------- MS
Latch -------------------------------------------- DK
Stopper / Limiter ---------------------------------- TX
Guide, Accessories -------------------------------- RG
Waterproof Cover --------------------------------- WP
Door Lock Products (Locks) ------------------ MS (suffix S to model)
Coupling ----------------------------------------- LZQ
Dowel Pin / Locating Pin ---------------------------- DWX
Zinc Alloy ---------------------------------------- XHJ
Hook -------------------------------------------- JH
Plastic Handle ------------------------------------ DMK-P
Plastic Hinge -------------------------------------- CL-P
Plastic Latch -------------------------------------- DK-P
Door Stop ---------------------------------------- MP
Aluminum Alloy ----------------------------------- DL
Stamped Damping Hinge Series --------------------- ZNC
Machined & Washed Damping Hinge Series ------------ ZNX
PRODUCTS
RK-903 Hand-held Ultrasonic Dot Welding Machine
MODEL: RK-903
Machine Size: 510*550*190mm
Packing Size: 560*610*240mm
N.W: 8kg
G.W: 10kg
Power: 220W
Voltage: 220V
- Parameters
MODEL: RK-903
Machine Size: 510*550*190mm
Packing Size: 560*610*240mm
N.W: 8kg
G.W: 10kg
Power: 220W
Voltage: 220V
Features
- The machine adopts high-quality ultrasonic transducer, with strong power and good stability.
- The machine has low noise, light weight, and can be operated on a workbench.
- The machine will not damage the material during welding, and the working environment is comfortable.
- This machine does not need glue, saves materials and reduces costs.
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Guwanjia Hardware Machinery Co., Ltd.
OEM / Custom / Full specification / Fast delivery
Call
+86 159 9977 0681
sale@gwjhardware.com
Address
Hong Kong Street, Building B2, Dongguan City, Guangdong Province, China
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Copyright © 2026.Guowanjia Technology Co., Ltd. All rights reserved
Copyright © 2026.Guowanjia Technology Co., Ltd. All rights reserved
