Tongcheng mica electronic materials · Manufacturer

Tongcheng Yunshui Mica Technology Co., Ltd.

Yunshui participates in mica-paper standard drafting and works across flake grading, pulping and web consistency. Surface uniformity, basis weight, strength and later impregnation behaviour need joint review rather than visual judgement alone.

Published company identity

Tongcheng County · Private enterprise

Published products and capabilities

Mica paper and rolls for electrical insulation

Regional influence evidence

The national-standard plan prints Yunshui Mica’s legal name, tying its participation directly to Tongcheng and the mica-paper stage.
Mica paper sits between mineral and laminate, and within-roll variation can grow during impregnation and cutting, making the company a critical intermediate-material interface.

Checkable sources

Tongcheng mica electronic-material industry survey — Hubei Department of Economy and Information Technology
Tongcheng mica research platforms and Ping An Electric — Hubei Department of Science and Technology
National mica-paper standard plan and drafting organisations — State Administration for Market Regulation

Information and transaction boundary

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