Grand Long is a leading plastic manufacturer in Hong Kong which was founded in 1988. Being a ISO9001:2000, TS16949:2002, ISO14001:2004 & RoHS certified factory, our experienced and well-trained staffs are dedicated to provide the best possible plastic products solution and services to customers.

Our headquarter is based in Hong Kong while the production facilities is located in Ping Hu, Shenzhen, China which occupies a gross area of 10,000 square meters with over 800 workers.

Equipped with leading edge equipments and machineries, we specialize in Mould Making, Plastic Injection Molding, Secondary Operation Processing such as 10K Clean Room Automatic Paint Spraying, Silk Screen Printing, Pad Printing, UV Painting & Printing, Hot Stamping, Ultrasonic Welding, Laser Engraving as well as Assembly & Packaging etc.

We strive to deliver superior quality products & services to our customers that always meet or exceed their expectation. Our clients include leading hi-tech international corporations within Auto, Audio, Computer, Consumer Electronics, Environmental Detection, Industrial, Medical & Health Care, and Telecoms industries.