Can migrant workers enter Chaoshan Chamber of Commerce?

You can't.

According to Baidu Encyclopedia, Chaoshan Chamber of Commerce is a social organization composed of Chaoshan entrepreneurs and business people, aiming at promoting the inheritance and development of Chaoshan culture, strengthening exchanges and cooperation among Chaoshan people and serving Chaoshan community and society. Chaoshan Chamber of Commerce has many branches and federations, which are distributed all over the country and even overseas. Chaoshan Chamber of Commerce holds an international conference of Chaoshan businessmen every two years, and invites delegations of Chaoshan businessmen at home and abroad to participate in it to discuss cooperation opportunities in the fields of economy, culture and education. To join Chaoshan Chamber of Commerce, you need to meet the following conditions:

You must be a China citizen with Chaoshan nationality or Chaoshan descent. You must be an entrepreneur or business person engaged in this business, management or professional and technical work. You must abide by national laws and regulations and the articles of association of the Chamber of Commerce, respect the resolutions of the Chamber of Commerce, actively participate in the activities of the Chamber of Commerce, and safeguard the interests of the Chamber of Commerce. You must pay the membership fees and donations of the Chamber of Commerce on time.