# Chambroad Sinopoly

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/chambroad-sinopoly

- Industry: Chemicals
- Headquarters: Binzhou, China
- Website: www.jbzhongju.com/
- Latest round: Series B (Jan 21, 2026)
- Investors on record: 1

## About

Established in 2016 and based in Binzhou, China, Shandong Chambroad Sinopoly New Materials Co., Ltd., trading as Chambroad Sinopoly, operates as a synthetic rubber supplier that mainly provides butyl rubber products. It acquired certifications such as ISO14001, ISO9001, and OHSAS18001. It has been awarded titles such as National Specialized and Innovative Little Giant and National Green Factory. In 2022, chlorobutyl rubber was successfully launched on the market. In January 2026, Chambroad Sinopoly raised a series B+ funding from returning investor Shandong Finance Investment Group.

The company mainly provides special synthetic rubber products. Products include ordinary butyl rubber, brominated butyl rubber, chlorobutyl rubber, and bio-based itaconate rubber. Ordinary butyl rubber can be used to make rubber products such as tire inner tubes, water tires, and airtight layers. Bromobutyl rubber can be used to make medical rubber plugs and sealing products. Products can be used in the fields of automobiles, oil fields, aerospace, etc.

The company generates revenue by providing special synthetic rubber products, such as ordinary butyl rubber, brominated butyl rubber, chlorobutyl rubber, and bio-based itaconate rubber.

## Funding rounds

- Series B, Jan 21, 2026 — Shandong Finance Investment Group

## Investors

- Shandong Finance Investment Group (https://capitalatlas.ai/funds/shandong-finance-investment-group) — Series B