Is an engineering materials testing service business part of the technical services industry?

Yes. Software and Information Technology Services, Information Transmission, Warehousing and Postal Services, Leasing, Scientific Research and Technology Services, Finance, Water Conservancy, Environment and Public **** Facilities Management, Residential Services, Repair and Other Services, Education, Health and Environmental Protection.

Culture, Sports and Recreation, Public **** Management, Social Security and Social Organizations, Agriculture, Forestry, Livestock and Fishery Services in Agriculture, Forestry, Livestock and Fishery, Mining Auxiliary Activities in Mining, Repairing of Fabricated Metal Products, Machinery and Equipment in Manufacturing, and International Organizations.

Service industry from the service for life, expanding to the service for production, has experienced a long historical process. The social nature of the service industry has also changed with the development of history. In pre-capitalist society, mainly for the slave owners and feudal lords, capitalist service industry to profit for the purpose of the relationship between the capitalist and service workers is the employment relationship.

The socialist service industry is based on the public ownership of the means of production and aims to improve the material and cultural life of the people, and it is an industry that really serves the whole society.

Baidu Encyclopedia-Service Industry