Page 37 - Taiwan Hand Tools 2026-02 Edition

Taiwan Hand Tool Brands

Innovation in Precision: Chang Loon’s vation in Precision: Chang Loon’s
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Patented Technology Strengthens Ratchet atented Technology Strengthens Ratchet
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Wrench Durabilityrench Durability
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hang Loon Industrial Co., Ltd. is a leading Taiwanese reduces the risk of breakage while enhancing its durability
Cmanufacturer and developer of professional-grade and structural resilience.
and patented wrench solutions. With over 45 years of
manufacturing expertise, the company is recognized for Key features of the product include:
delivering tools that are user-centric, safe, and labor-
efficient. To address rising market demands, Chang Loon 1. Enhanced surface visibility
operates a robust in-house R&D team supported by 2. Eco-friendly formulation without Cr³+ or Cr⁶+
advanced processing technologies and engineering concepts 3. Proven performance in 5% salt spray testing for 48 hours
introduced from Japan. These capabilities have enabled
continuous product innovation and reinforced the company’s
competitive differentiation.

From patented ratchet wrenches and clamping solutions
to bolt cutters, Chang Loon has established a strong
presence across the hardware DIY and automotive repair
sectors. Product development is guided by direct internal
user feedback, which is systematically incorporated into
the design process before commercialization. In addition to
standardized R&D procedures, the company has adopted an
interactive three-dimensional development model that allows
clients to participate in blueprint design, ensuring accuracy,
functional alignment, and efficient production across diverse
applications.

Colored rings embedded in heads have proven to be a successful design of
Chang Loon’s ratchet box-end wrenches. (Photo courtesy of Chang Loon)

Driven by global sustainability trends and environmental
responsibility, Chang Loon continues to advance eco-friendly
product development while actively reducing manufacturing
pollution.
Precision-centered, CNC-machined
construction for improved structural
strength Chang Loon holds multiple patents, with its ratchet
wrenches forming the core of its product portfolio. A
Chang Loon’s resilient, eco-friendly ratchet wrench features a patented black cornerstone of Chang Loon’s innovation is the patented
surface treatment and CNC-machined dimensional centering. (Photo courtesy “ColorRing® Ratchet Wrench.” Introduced in 2004, this
of Chang Loon)
proprietary production and assembly method integrates
Beyond performance and functionality, Chang Loon has color-coded rings into designated positions on the box end of
increasingly integrated sustainability considerations into the ratchet wrench. As the industry’s first identification-based
its engineering and manufacturing practices. In alignment design, the ColorRing® system has significantly strengthened
with international environmental standards, Chang Loon brand recognition. Available in multiple colors, including red,
has introduced an advanced surface treatment for its blue, yellow, and orange, the product line has gained strong
ProRatchet® series. The black surface treatment technology traction among international buyers, enabling instant shelf
is free from both trivalent (Cr³+) and hexavalent chromium recognition, product differentiation, and reinforcing Chang
(Cr⁶+), ensuring both user safety and full environmental Loon’s reputation for its innovative and reliable products.
compliance. Combined with CNC machining and precise
dimensional centering, the patented treatment significantly

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