# RENQIU STRONGHOLD CARBON PRODUCTS CO.,LTD.

> Reevol Source machine-readable supplier card. Profile URL: https://source.reevol.com/en/suppliers/renqiu-stronghold-carbon-products/. Locale: en.

## Identity
- Legal name (en): RENQIU STRONGHOLD CARBON PRODUCTS CO.,LTD.
- Legal name (zh-CN): 任丘市双楼电碳制品有限公司
- Aliases: 任丘市双楼电碳制品有限公司
- Business type: manufacturer
- Location: 河北省任丘市, HEBEI, China
- Year founded: 2002
- Employee range: 101~500

## Industry
- Primary: Industrial Machinery
- Sub-industries: 电碳制品, 碳刷, 刷架总成, 工业牵引电机电刷, 铁路机车电刷, 电机滑环, 电动工具碳刷, 家用电器碳刷, 起动机系列, 发电机系列
- HS codes: 8503, 8511, 8537

## Digital footprint
- Website: http://www.shuanglou.com
- Visibility score (0-100): 0

## Summary
What we know: Manufacturer of carbon brushes and brush assemblies for industrial motors, railways, and power tools (based on HS codes 8503, 8511, 8537). Founded in 2002 and based in Renqiu, Hebei province, China, with 101-500 employees (verified by year founded, location, team size). Active website at http://www.shuanglou.com (verified by website field).

What the data suggests: Serves electrical machinery and rail transport sectors (suggested by industry tags: 电碳制品, 铁路机车电刷, 工业牵引电机电刷). Supplies OEM and aftermarket components for motors, generators, and starter systems (suggested by product range across domestic appliances, power tools, and industrial equipment).

Data flags: This profile is tagged across 11 industries. The HS codes more narrowly suggest electrical and electronic equipment.

Not yet verified: Certifications, Trade fairs, Export markets, Production capacity.

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## Provenance
- Last enriched: 2026-03-19T05:24:19.828Z
- AI content last generated: 2026-05-29T03:26:34.955Z
- Source: Reevol Source (https://source.reevol.com). Underlying data from Reevol, sourced from public business registries, trade-fair exhibitor lists, certification bodies, and digital footprint.
- License: see https://source.reevol.com/en/methodology/