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Sun Ah Electric Factory Limited Preview Staging
Design & Tooling Department

Precisions of Molds are the prerequisite of quality products and invaluable assets to our customer and company. Process starting from designing stage, to wire-cut and assembly process will be made in-house with our professional engineers and technicians who have substantial experience in metal stamping industry. Additionally, all mold materials and designs will be strictly based on characteristics and requirement of customers' products.

By having a direct control of our tooling department and providing constant service of molds at our warehouse department, we are committed to make precise molds with long lasting life-time in order to ensure high quality products.

Materials used for Mold:

** D2 , SKD 11, XW-41, ASP 23 Origin: Daido (Japan), Assab (Sweden)

Metal Stamping Department & Assembly Department

We have more than 30 sets of different power press machine and hydraulic press starting from 6.5 tons to 200 tons in order to cope with our production demand. Together with many other auxiliary facilities, production arts range from conventional power press, progressive stamping, deep drawing, welding , polishing and assembly. Additionally, we have extensive experience to handle surface treatment through our business partners which is specialized in each individual field, such as Nickel/ Gold/ Tin/ Silver/ Chromate/ Zinc plating, Anodizing, Powder coating, Spraying coating, and Silk screening. Together with our strict control of incoming material procedure, we are capable of providing quality metal parts in a final product.

Commonly Used Material for Metal Parts

Type of MaterialJIS StandardThickness (mm)
Electro galvanized SteelSECC 0.5, 0.8, 1.0, 1.6, 2.0
Chromium Electro galvanized SteelEGC1.0, 1.6
Cold Rolled SteelSPCC, SPCD0.5, 0.8, 1.0, 1.2,1.6,2.0,3.0,3.2
AluminumAL 1100, AL 5052, AL60630.5,0.7,0.8,1.0, 1.5, 2.0
Phosphor BronzeC5210, C51910.15,0.2,0.25,0.3,0.4,0.6,0.8
CopperC11000.3,0.6,1.5,3.0
BrassC26800.2, 0.3,0.4,0.5,0.6,0.8,1.0
Bellyium Copper C17000.15
Stainless Steel SUS 304, 301, 4300.15,0.2,0.25,0.3,0.5,0.8,1.0,1.2
Carbon SteelSK50.3, 0.5

Company Profile

  • Business Type:
  • Manufacturer
  • Country:
  • Hong Kong

Contact Information

  • Company Name:
  • Sun Ah Electric Factory Limited
  • Country:
  • Hong Kong
  • Address:
  • Block A, 6/F., Mai Tak Ind. Bldg.
    221 Wai Yip Street, Kwun Tong,
    Hong Kong
  • Website:
  • http://www.sunah.com.hk
  • Contact Person:
  • Mr. Y.S Wong(Director), Ms Teresa Wong(Manager),Ms Edith Wong
  • Tel:
  • (852) 23895118-9
  • Fax:
  • (852) 23430584

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