V.S. Heat Treatment
Heat treatment & metal finishing experts
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V.S. Heat Treatment
Heat treatment & metal finishing experts
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End-to-end Phosphate Coating for customers in Samut Prakan, focused on high-volume small parts — screws, nuts, bolts, washers — with test certificates.
Samut Prakan is a hub for automotive & parts, electronics, steel & metalworking, machinery, which all need quality Phosphate Coating for small metal parts. V.S. Heat Treatment handles work from plants in the area with multi-tonne daily capacity and an in-house lab.
Phosphate conversion coating that improves paint adhesion, lubricant retention, and corrosion resistance.
Our Phosphate Coating process is built for screws, nuts, bolts and washers — minimizing sticking and uneven coating.
Every lot ships with test results, ready for your end customer, under ISO 9001:2015.
Pickup and delivery to local plants, on time, with full piece counts on every lot.
Choose the quality level and spec to match how the part is actually used.
Flexible minimums — both mass production and sample lots. Contact us for a quote based on your real volume.
Send via parcel freight or factory transport to Samut Sakhon; we ship it back with test certificates.
Standard jobs take about 3–7 business days depending on type and volume, including transit to and from Samut Prakan.
Send your job details — fast replies and advice on the right finish/spec for your parts.