Quality implementation based on customer satisfaction, work efficiency & safety oriented. Acquired the SGS ISO 9001, CE certificate, and relevant certification of crane, hoist, lifting equipment, material handling. We promote all staff with quality operation in the whole manufacturing & serious test process. Management as Supervising Quality Assurance Authority, and Quality Issue Correspond & Practice. Achieve self quality assurance, all data and parts deliver to the next process, such as from supplier chain control, raw material inspection & acceptance to stock control. From design, development, manufacture, test to delivery which must meet S.O.P. procedure. Comply with international standard or bespoke request that through our very precise facilities, professional experience & technique, trained communication and coordination of team work step by step, towards overall manufacturing to make products defect free. It gives high value to our brands.

2 Million US$ Product Liability Insurance for global market

5 Million US$ Product Liability Insurance for U.S.A. market

Type approval of crane fabrication. (626 ton)
Assessment organization: Department of labor affair Taiwan provincial government labor inspection office.

Certificate No.037-10

Fixed Crane Type Certification
(Standard Bridge Crane, 313 tons)

Certificate No. 037-11

Lift Type Certification

Certificate No.: 037-002

Overhead crane manufacturing safety approval certificate.(120 ton)
Assessment organization: National quality inspection department of China.

China Certificate No.TS2410E64-2013

D&B D-U-N-S Registered certificate

NO. 65-740-9298

ISO 9001:2015
Assessment organization: SGS Yarsley international certification services limited.

Certificate NO.TW97/09359

Achieved the SGS CE-MARK certification
Machinery Directive 2006/42/EC

Certificate No. EZ/2010/A0006C-01

Achieved the SGS CE-MARK
Low Voltage Directive 2006/95/EC

2006/95/EC
Certificate No. EZ/2010/A0006C

Patent, Added Value for Our Brand

We have acquired over 30 items patents authorized by Taiwan, Mainland China, Germany, Japan, and USA of lifting technique.

Rope Guide
Taiwan: M482583
Germany: Nr. 20 2014 002 972.5
Japan: 3191390
China: 3705645
Planet Gears Limit Switch
Taiwan: M466909
Germany: Nr. 20 2014 006 109.2
Japan: 3193570
China: 3955089

Besides above, there are still over 30 items' patents.

Cheng Day International Group is dedicated to mastering technology and equipment, achieving vertical integration to fully control every stage of R&D, manufacturing, and testing.
We adhere to the core quality principle: “No defective products accepted, manufactured, or delivered”, reflecting our unwavering commitment to our customers.

Quality Assurance and Service Commitment

Based on the SGS ISO 9001 Quality Management System, we implement strict manufacturing and inspection standards. Through vertically integrated production management and comprehensive SOP control, we ensure consistent product quality. We are committed to meeting diverse customer needs and continuously improving customer satisfaction as a key performance indicator.

Innovation and Patents

Relying on advanced technology and innovative design, Cheng Day International Group has obtained over 30 patents in Taiwan, China, Germany, Japan, and the United States. These patents not only add value to our brand but also demonstrate our continuous innovation and technological development.

Selected Patents Include:：

Rope Guide
Taiwan Patent No.: M482583
Germany Patent No.: Nr. 20 2014 002 972.5
Japan Patent No.: 3191390
China Patent No.: ZL 2014 2 0036251.0
Planet Gears Limit Switch
Taiwan Patent No.: M466909
Germany Patent No.: Nr. 20 2014 006 109.2
Japan Patent No.: 3193570
China Patent No.: ZL 2014 2 0395985.8

Our products and technological innovations have gained global recognition, adding unlimited potential for the company’s future growth.

Global Product Insurance

To protect our global markets and customers, Cheng Day International Group provides high-coverage product liability insurance for all products:
USD 2,000,000 coverage for global markets
USD 5,000,000 coverage specifically for the United States

Quality First, Pursuing Excellence

Cheng Day International Group continuously pursues innovation, transformation, and improvement, striving to provide the highest quality products and comprehensive after-sales service. Our goal is to enhance brand value and set a benchmark of quality and trust in the global market.

誠岱機械廠股份有限公司 | CHENG DAY MACHINERY WORKS CO., LTD.

Let's make something great together. Your success is our goal.

The winner of the eighth national award of small and medium enterprises.

The winner of the 3rd
national industrial innovation.

Deep ploughing in technique & facilities, Vertical Integration.
Exact footing on quality & service, Horizontal Development.