Wong's International Holdings Limited (WIHL) manufactures products for global customers. The services that it provides to customers encompass electronic manufacturing, testing, value-added engineering, hardware, software or mechanical design, product design, global supply management, logistics management and after-sales services.

WIHL’s product categories include “Industrial & Power”, “Office Electronics”, “Network & Peripheral”, and “Consumer & Digital”.

WIHL has 4 core business divisions and there are 3 factories and 1 R&D Centre; 3 factories are located in Shajing, Shenzhen, China and Suzhou, China, An Phat Industrial Park in Hai Duong, Vietnam and the R&D centre located in Shenzhen,  China respectively.



Manufacturing Facilities


Welco Wong's Technology (Shenzhen) Limited (WWTS)


Established in 1986, WWTS is just 50 minutes from Hong Kong border and 30 minutes from Shenzhen City, and is conveniently located for customer visits. WWTS received from the government an “A” Class Enterprise award in 2001 and obtained a series of ISO certifications as shown in the following chart:




The facility has a floor space of approximately 38,000 square meter. and about 2,500 production workers. Its surface-mount technology (SMT) process capacity and capability is as follows:




Contact us at:  
WanFeng Industrial Zone, Shajing, BaoAn
Shenzhen, Guangdong Province, China
Postal Code: 518104

Tel: (86) 755-2726-3128

Fax: (86) 755-2726-3061

Welco Technology (Suzhou) Limited (WTSZ)



WTSZ was established in 2003 at Suzhou Industrial Park, Suzhou, China to better serve customers in Eastern and Northern China. It is located on the border of Jiangsu Provincewith access to Shanghai, Nanjing, Hangzhou and Wuxi; it just about 2-hour by car or by train.

WTSZ has obtained the following quality certifications:



The factory has about 12,500 square meter and floor space with another 40,000 square meter. reserved for future expansion. It has about 1,500 production workers. Its SMT capacity and capability is as follows:



WTSZ is linked to the Group’s global IT network including the Information Network Management System.


Contact us at
Welco Technology (Suzhou) Limited
198 Xinglong Street, Suzhou Industrial Park,
Suzhou, PRC215126
Tel: (86) 512-6283-8860
Fax: (86) 512-6283-0728





WTVN was established in 2020 at An Phat Industrial Park in Hai Duong Province, Vietnam with a space of 11, 500 square meters. It is located at the capital city is at the midpoint between Hanoi and major port Hai Phong, and is part of the Northern Key Economic Zone. The factory is about 1-hour to Hanoi, Noi Bai Airport and Seaport (Hai Phong) by vehicle.



The facility has a floor space of approximately 11, 500 square meters. Its surface-mount technology (SMT) process capacity and capability is as follows:




Contact us at:  
Factory A17, An Phat High-technology Industrial Park, Km 47, AH 14, Viet Ward, Hai Duong City, Hai Duong Province, Vietnam

Tel:(84) 869-3285-11





Wong’s has expertise in the following various product development and applications • Next Generation Network (NGN) routers • Human Machine Interface (HMI) touch panel controller • Narrow-Band (NB) IoT Call-Me-Back(CMB) product development.



Contact us at:  
10/F., Block A, Nanfang Securities Building, 2016 Jianshe Road, Luohu District of Shenzhen City, China

Tel: (86) 755-8221-5112


Quality Policy

WIHL is committed to provide high-caliber professional services to its customers. Its factories implement stringent quality control plans and the Six Sigma Program, which strives for continuous improvements throughout the manufacturing chain. Its factories have obtained the appropriate ISO certifications as detailed in the sub-sections for the factories. The products designed by the Group are able to meet the international Hazardous Substance requirements, such as RoHS and REACH regulations. Our production complies with the IPC-A-610 standard, employing well-established test management systems and sophisticated testing equipment.


Environmental Policy

WIHL acknowledges the importance of environmental protection and continuously review operational processes to ensure that they are safe, efficient and environmentally conscious. WIHL has in place an environmental policy to motivate its workforce to attain optimum environmental protection.


Information Network

WIHL has established INMS to provide Management with real time information. Through our Customer Service Information interface, our customers can also access real time process and production information, as well as shipment and order status.



  Copyright © 2023 Wong's International Holdings Limited. All rights reserved.