DHport offers 2731 double bond chemical products. About 25% of these are Business & Industrial, 24% are Home & Garden, and 51% are other double bond chemical supplies. A wide variety of double bond chemical options are available to you. You may purchase samples before making big procurement. There are 433 double bond chemical suppliers, mainly located in China. The top supplying provinces are Zhejiang, Guangdong and Shanxi, which supply 26%, 23% and 10% of double bond chemical respectively.