Q7: What is your export packing?

Q7: What is your export packing?

A: Seaworthy packing with waterproof anti‑rust film and steel strapping. Pallets or plywood cases are optional according to your requirements.

30

2026

/

06

Q8: Can I get steel samples?

Q8: Can I get steel samples?

A: Small cutting samples are free. Buyer bears international courier cost. Sample freight can be deducted from formal bulk orders.

30

2026

/

06

On February 2026.02, Yunheng built a metal solid waste recycling workshop, with 100% closed-loop recycling of copper waste

The company has built a new copper waste treatment workshop to uniformly recycle brass, purple copper cutting scraps, and rolling waste residue. After sorting and purification, they are returned to the furnace for re refining, achieving zero waste transportation.

02

2026

/

02

On May 12, 2025, Yunheng Factory's distributed photovoltaic system was fully connected to the grid, with green electricity covering 30% of production electricity

The Yunheng Metal Roof Photovoltaic Project has been completed and connected to the grid, covering the roofs of the brass extrusion workshop and the copper rolling workshop. The annual spontaneous green electricity is 2 million kWh, which can meet 30% of the auxiliary production electricity demand in the factory area.

20

2025

/

05

On May 3, 2025.03, Yunheng Metal completed the water circulation technical renovation of the entire copper material process, with a water circulation rate of 97%

Yunheng Metal has invested millions of yuan to build a closed-loop treatment system for brass and purple copper processing wastewater, covering the entire process of acid washing, cooling, and cleaning, using ultrafiltration+reverse osmosis deep treatment technology.

03

2025

/

05

On May 2025, Yunheng Environmental Protection's lead-free brass production line was put into operation, adapting to European and American export environmental standards

The company's new lead-free C3604 brass extrusion production line has been officially put into operation, with optimized alloy ratios and lead content far below the RoHS limit. It is equipped with acid free green surface treatment technology and no discharge of heavy metal waste liquid.

15

2025

/

05

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