Quick answer: 10 Chinese weatherproof sealant brands and companies are listed here, including BAIYUN, BOSTIK and DOWSIL, with registered company names and official websites. Updated 21 Oct 2026.
Weatherproof sealants brands and companies
| Brand | Registered company | Website |
|---|---|---|
| BAIYUN白云科技BAIYUN | 广州白云科技股份有限公司 | china-baiyun.com |
| BOSTIKBOSTIK波士胶 | 波士胶(上海)管理有限公司 | bostik.com |
| DOWSILDOWSIL陶熙 | 陶氏化学(中国)投资有限公司 | cn.dow.com |
| Gui Bao硅宝 | 成都硅宝科技股份有限公司 | cnguibao.com |
| Hui Tian回天 | 湖北回天新材料股份有限公司 | huitian.net.cn |
| JINSHU金鼠JINSHU | 杭州之江有机硅化工有限公司 | chinazhijiang.com |
| SikaSika西卡 | 西卡(中国)有限公司 | chn.sika.com |
| YONGAN永安YONGAN | 山东永安胶业有限公司 | china-yongan.com.cn |
| antas安泰antas | 广州集泰化工股份有限公司 | — |
| Si Lan De思蓝德 | 郑州中原思蓝德高科股份有限公司 | — |
Frequently asked questions
How many weatherproof sealants manufacturers and suppliers in China are listed here?
10 companies are listed for weatherproof sealants (耐候胶). Full ranked profiles are being prepared.
How is this list ranked?
By the completeness and verifiability of each company's data: a registered legal entity, an official website, published contact details, a product range and company history. The rank is not a quality rating, and no company pays for its position. See How we rank for the full method.
How do I contact these manufacturers?
Each listing shows the company's official website and, where published, its email and phone number. Of the 10 companies listed, 8 have an official website and 0 publish an email address.