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Professional Aluminum Alloy Gravity Die-casting & Precise Parts Machining

Honho Precision Industry Corporation, formerly known as WAKAJA Cooperation, It's a design and product development company, was founded in Taiwan in 1994. It was then transformed into a professional gravity casting and processing plant to effectively control the production process and stabilize the product quality.

The forming adopts gravity casting technology, which has high hardness and strong toughness. The machining uses CNC four-axis center processing machine. It has high smoothness and meticulous surface roughness. The cylinder head valve seat is manufactured in one piece to ensure strict accuracy and quality. Our top quality and precise measurements have reached the requirements of the world's leading professionals.

Techniques as our base. Professionalism first.Quality above all else. Honest management.Emphasis on employee training. Giving back to the society.

Increase the professional skills of all of our employees, Special training for management associates, Constant Improvement of product quality and productivity.

  • Emphasis on employee training：With our objectives in mind, combining the resources from the government, we lay plans for different training courses to increase the professional skills of our employees.
  • Cultivating team cohesion：Holistic training programs helping integrate employees into corporate culture.
  • Maintaining steady growth：Help construct career development, Promote employees’ self-improvement.
Gravity Die-casting & Machining

Quality Policy

Quality Policy SPEED

Milestones

Milestones
  • 1994
    WAKAJA Corporation was predecessor of Honho Precision Industry Corporation, with US$165,000 and area of 200㎡.
  • 2000
    Add semi-automatic coordinate measure machine.
  • 2003
    Honho Precision Industry Corporation was founded in Taichung, Taiwan.
  • 2004
    Capital increased to US$430,000.
  • 2005
    Add gravity die-casting equipment.
  • 2008
    ISO-9001:2000 was certified.
  • 2009
    Expand business and moved to new factory, area of 2,150 ㎡. Capital increased to US$650,000.
  • 2010
    ISO-9001:2008 new edition approved.
  • 2016
    Add automatic coordinate measure machine.
  • 2018
    ISO-9001:2015 new edition approved.

Quality Assurance

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Successfully passed the verification review performed by the verification company and was awarded the certificate of ISO international quality management system verification.

Why Need To Choose Honho  

  • We have long years of experience in product development and production of aluminium gravity casting and precision machining.
  • With our vast experience, we can efficiently shorten the time of product development and production to meet our customers’ demand for high-quality products.
  • From mold development to gravity cast production, precision machining and assembly/ packaging, we help our customers solve problems all the way.
  • Vertically integrate the production process to effectively lower the costs.
  • Cooperate with ISO-certified parts and heat-treatment suppliers to produce high-quality products.
  • Do material analysis at the time of material procurement to make sure that all materials coming into the production line are correct. And carry out random check on the aluminium to make sure that the tensile strength and hardness of the aluminium reaches our quality standard.

Material Analysis

Industrial Specification (AA)

Chemical Composition (%)
SiCuMgZn
6.5-7.50.200.25-0.450.10
FeMnNiTi
0.200.10-0.20
GrSnother(3) 
--0.15 

Chemical Composition (%)
SiCuMgZn
6.5-7.50.100.30-0.450.05
FeMnNiTi
0.120.05-0.20
GrSnother(3) 
--0.15 
Industrial Specification (JIS)

Chemical Composition (%)
SiCuMgZn
1.2↓4.0/5.00.20↓0.30↓
FeMnNiTi
0.40↓0.30↓0.05↓0.25↓
PbSnGrAl
0.05↓0.05↓0.05↓surplus

Chemical Composition (%)
SiCuMgZn
0.30↓4.2/5.00.20/0.350.10↓
FeMnNiTi
0.30↓0.10↓0.05↓0.05/0.35
PbSnGrAl
0.05↓0.05↓0.05↓surplus

Chemical Composition (%)
SiCuMgZn
4.0/6.03.0/4.50.25↓0.55↓
FeMnNiTi
0.70↓0.55↓0.30↓0.20↓
PbSnGrAl
0.15↓0.05↓0.15↓surplus

Chemical Composition (%)
SiCuMgZn
5.0/7.02.0/4.00.50↓1.0↓
FeMnNiTi
0.80↓0.50↓0.35↓0.20↓
PbSnGrAl
0.20↓0.10↓0.20↓surplus

Chemical Composition (%)
SiCuMgZn
10/130.25↓0.15↓0.30↓
FeMnNiTi
0.70↓0.35↓0.10↓0.20↓
PbSnGrAl
0.10↓0.10↓0.15↓surplus

Chemical Composition (%)
SiCuMgZn
8/100.25↓0.35/0.600.25↓
FeMnNiTi
0.40↓0.3/0.60.10↓0.20↓
PbSnGrAl
0.10↓0.05↓0.15↓surplus

Chemical Composition (%)
SiCuMgZn
7/102.0/4.00.50↓1.0↓
FeMnNiTi
0.80↓0.50↓0.35↓0.20↓
PbSnGrAl
0.20↓0.10↓0.20↓surplus

Chemical Composition (%)
SiCuMgZn
6.5/7.50.20↓0.25/0.300.30↓
FeMnNiTi
0.40↓0.60↓0.10↓0.20↓
PbSnGrAl
0.05↓0.05↓-surplus

Chemical Composition (%)
SiCuMgZn
6.5/7.50.10↓0.30/0.450.10↓
FeMnNiTi
0.17↓0.10↓0.05↓0.20↓
PbSnGrAl
0.05↓0.05↓0.05↓surplus

Chemical Composition (%)
SiCuMgZn
4.5/5.51.0/1.50.45/0.600.50↓
FeMnNiTi
0.50↓0.50↓0.20↓0.20↓
PbSnGrAl
0.10↓0.10↓-surplus

Chemical Composition (%)
SiCuMgZn
0.7↓3.5/4.5;1.3/1.80.10↓
FeMnNiTi
0.60↓0.60↓1.7/2.30.20↓
PbSnGrAl
0.05↓0.05↓0.20↓surplus

Chemical Composition (%)
SiCuMgZn
0.20↓0.10↓3.6/5.50.15↓
FeMnNiTi
0.25↓0.60↓0.05↓0.20↓
PbSnGrAl
0.05↓0.05↓0.15↓surplus

Chemical Composition (%)
SiCuMgZn
11/130.8/1.30.8/1.30.15↓
FeMnNiTi
0.70↓0.15↓0.8/1.50.20↓
PbSnGrAl
0.05↓0.05↓0.10↓surplus

Chemical Composition (%)
SiCuMgZn
8.5/10.52.0/4.00.6/1.50.50↓
FeMnNiTi
0.80↓0.50↓0.1/1.00.20↓
PbSnGrAl
0.10↓0.10↓0.10↓surplus

Chemical Composition (%)
SiCuMgZn
8.5/10.52.0/4.00.6/1.50.50↓
FeMnNiTi
0.80↓0.50↓0.50↓0.20↓
PbSnGrAl
0.10↓0.10↓0.10↓surplus

Chemical Composition (%)
SiCuMgZn
22/240.5/1.50.6/1.50.20↓
FeMnNiTi
0.70↓0.5↓0.5/1.50.20↓
PbSnGrAl
0.10↓0.10↓0.10↓surplus

Chemical Composition (%)
SiCuMgZn
18/200.5/1.50.6/1.50.20↓
FeMnNiTi
0.70↓0.50↓0.5/1.50.20↓
PbSnGrAl
0.10↓0.10↓0.10↓surplus