Tamar Development Project - Central Government Complex (Hong Kong)
添馬艦發展工程 - 新政府總部大樓 <2009-2011>

Creativity in Fastening

J.A.M. was founded in 1999, a sister company of Po Wah Metal Co., Ltd. Both have over 30 years of solid experience in fastening and fixing products.


J.A.M. is committed to customer oriented service and satisfaction. Our technical workforce serve our client as partners, assist them with valuable advices to select most suitable products and solutions for various fastening, applications.


We provide professional standard fastening products including Grade 10.9( HSFG ) High Strength Friction Grip Pre-loaded bolts , Grade 8.8 / A4 - 80 Hexagonal Bolts , Threaded Rods , Medium-load to High-load Anchors , Channels , Inserts , miscellaneous fixing screws and special items in order to fulfil different market needs and applications.


With sound experience and adequate fastening know-how, J.A.M develop and own the certificate of registration of design for JAM-S / JAM-SH Sleeve Anchor, JAM-W Wedge Anchor and JAM-J Expansion Plug.


J.A.M. products ( Hot Dip Galvanized Grade 8.8 Hexagon Bolts and Threaded Rods ) have been widely used for various trades and structural installation works in many prestigious buildings , railways construction and infrastructure development projects , for example the International Commercial Centre in West Kowloon , Tamar Development Projects in Central , M.T.R. West Island Line , Express Rail Link (Hong Kong Section) , the expansion of Hong Kong Disneyland and The Hong Kong International Airport .


With well-examined quality control processes, we are confident that our products are SAFE, COMPETITIVE, and in compliance with INTERNATIONAL standards. Over the years, we have successfully obtained job approvals from both public and private sectors such as Hong Kong Housing Authority, Buildings Department, Highways Department, Civil Engineering and Development Department and MTR Corporation.


High Quality Warehouse Management Service


J.A.M. own warehouses acquired more than 26,000 sq. ft. of land area in total, located in Mongkok, Tsuen Wan and Yuen Long. High-quality warehouse management service that our company provided is the key strategies to achieve high efficiency. We endeavor to assure a punctual and smooth delivery to anywhere in Hong Kong.



Sole Agents and Groups:


United Kingdom Brand (Hong Kong /Macau Area Sole Agent)

Tension Control Bolts
Grade 10.9 High Strength Friction Grip/ Pre-loaded bolts (H.S.F.G Bolts)
Innovative Shear Wrench system are the lowest cost method of properly installing High Strength Friction Grip/Pre-loaded Bolts. They are commonly know throughout the world and replacing conventional high strength friction grip bolts and swaged collar rivets simply because they are quick and easy to install using lightweight Electric Shear Wrenches. Guaranteed tension together with visual inspection removes the likelihood of operator error and ensures engineers that connections are tightened in accordance with specifications. TCB have built a new innovative diffusion coating plant incorporating the very latest technology for the coating of their bolts, nuts and washers. The process is a Thermo-Chemical Surface Modification (TCSM) and can be used for various metals, alloys, sintered ferrous-based materials, grey iron & cast iron. TCSM production process (Greenkote®) is totally environment friendly. Unlike conventional coatings, Greenkote® does not produce any solid, liquid or gaseous toxic wastes. The process is also free of chrome, cadmium, acids, cyanides and chlorides.


Germany – MKT (Hong Kong /Macau Area Sole Agent)

MKT (Germany)
Manufacturer specializing in heavy duty anchor systems.


Other Groups

LIEBIG (Germany)
LIEBIG (Germany)
Expert in the anchor field with more than 60 years experience.
ALLFA (Germany)
ALLFA (Germany)
Specialist in plastic anchors.