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dewokj@126.com
Consultation Hotline:
400-004-6699
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No. 946, Haxi Avenue, Nangang District, Harbin City, Heilongjiang Province
Conversion coating type: Decorative oxide film Application areas: Radiator covers, business-class cabin table panels Partners: China Railway Corporation‑affiliated enterprises including Zhuzhou, Qingdao Sifang, and Changchun Railway Vehicles Co., Ltd. Advantages of the conversion coating: Interior components such as high-speed train windows, radiator covers, and table panels all require an E6 (matte silver satin) decorative finish; this coating is widely used in numerous aluminum alloy decorative products.
Conversion coating type: Heavy-duty anti-corrosion oxide film Application areas: SGT rotary seat legs and cover plates Partners: China Railway Corporation, Zhuzhou, Qingdao Sifang, and Changchun Railway Vehicles Co., Ltd. Advantages of the conversion coating: All externally sourced high-speed train carriage components are subject to stringent requirements for resistance to corrosion in marine humid environments; moreover, Bombardier and SGT orders also impose these same requirements.
Conversion coating type: Self-lubricating hard oxide coating Application areas: High-speed railway automatic door tracks, aluminum alloy profiles for luggage racks Partners: CRRC-affiliated enterprises including Zhuzhou, Qingdao Sifang, and Changchun Railway Vehicles Co., Ltd. Advantages of the conversion coating: This self-lubricating oxide coating maintains a low coefficient of friction over long periods without the use of lubricants, operates silently, and requires no maintenance. It is suitable for all types of automatic door tracks, such as those in operating rooms and libraries, where a quiet, automated environment is essential.
Conversion coating type: Natural‑color hard anodized coating Application area: High-speed rail entrance steps Partner companies: CRRC subsidiaries in Zhuzhou, Qingdao Sifang, and Changchun Railway Vehicles Advantages of the conversion coating: While aluminum alloy hard anodized coatings typically come in various colors, high-speed rail car designs mandate a uniform silver‑white finish for the aluminum exterior (except for door rails). Through advanced technical processes, our company has successfully achieved exceptionally high hardness and superior wear resistance in 6-series aluminum alloys at specified hardness levels.
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