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Ortho titration Hypo titration Ni titration
MetChem’s PTFE – Electroless Nickel Composite Deposition
HLHC and MetChem had developed excellent PTFE/EN composite, RoHS compliant chemical ....more
Environment-Friendly Aqueous Anti-Rust Agent
Environment-friendly anti-rust aqueous agent, Water Beetle. No heavy metal and ....more
Black Nickel-Phosphorus Deposition Process
MetChem BLK-630 is designed to uniformly blacken medium phosphorus electroless nickel....more
Case Study of MetChem’s Electroless Nickel – Barrel Plating and Matrix
HLHC has serviced and built solid relationship with customers in Asia and...more
MetChem’s Electroless Nickel Process for Aluminum Alloy
HLHC and MetChem have focused on development and service in electroless nickel plating on...more
Metallic Stabilizer-free, Environmental Friendly Medium Phosphorus Electroless Nickel
Due to the environmental and sustainable issues, the prohibited substances...more

About

Cooperated with MetChem for more than 20 years. HLHC has devoted expertise to application of data storage, aerospace, consumer electronic, and BEV. We promise to advance electroless nickel for sustainability, environment friendly, and high-class product

About

HLHC established since 1988. It's part of HENG LONG HANG Group. The company formerly known as YUANSHEN Chemical. We are mainly engaged in the production and sales of specialty chemicals.......more

Products be used

MetChem special chemicals are widely applied in the manufacturing of products of Seagate, Western Digital, Hitachi, Canon and Ricoh international leading companies.......more