Our company specializes in cast iron and ductile iron products for Hong Kong plumbing, drainage and construction engineering. We own the independent brand "G.Y.". The full range of our products complies with international standards including British BS and EU EN standards, covering cast pipe fittings, manhole covers, open channel gratings and custom precision non-ferrous metal castings.
We operate a 10,000-square-foot foundry in Zhongshan fully equipped with complete modern production lines, and a large 4,000-square-foot warehouse in Yuen Long stocked with ready goods for prompt delivery to construction sites across Hong Kong.
For years, our products have earned the trust of major local developers, contractors and government departments in Hong Kong. We continuously upgrade our products based on customer feedback to pursue superior quality and service.

Core Product Range
1. Cast Pipes and Pipe Fittings
Comply with standards BS416, BS437, BS4622, BS EN545, BS EN598 and EN877, with specifications ranging from φ50mm to φ700mm. Custom non-standard products can be manufactured per customer requirements or drawings.

2. Drainage Manhole Covers and Open Channel Gratings
Cast iron / ductile iron manhole covers and open channel serrated gratings that meet the load-bearing standards BS497 / EN124.

3. Custom Precision Castings
We develop and produce tailor-made non-standard products based on customer demands and drawings, and also supply precision castings of non-ferrous metals including stainless steel.

Production Capacity
Our foundry is located in Zhongshan, Guangdong, covering a total plant area of 10,000 square meters.
We employ experienced technical management personnel and production technicians, equipped with a full set of modern production facilities. Adopting mature and advanced manufacturing processes, we deliver high-quality cast iron products that consistently satisfy Hong Kong engineering standards.<