This introduction tells the advantages of fiberglass cloth, time of standard issuing, standard name, product designation and specifications for mass per unit area, combustible matter content, tensile breaking strength, limit for harmful matter and product inspection regulation.

On hazardous substances in welding and allied processes;

In this paper we have collected relative regulations about hazardous substances in electrical and electronic equipments from EU, North Afarican and Japan, which are major exporting countries or areas of our electrical and electronic equipments, and analysed them deeply.

The hazardous substances in welding and allied processes have two kinds of states,which including graininess and gaseous state.

This paper gives an overview of policies and measures taken by international organizations,regional organizations and some major countries to solve problems on electrical and electronic products hazardous substance.

The hazardous substances produced during welding processes are introduced in this paper.

The paper sums up the experiences from the management works of hazardous substance in elec- tronic manufacturing enterprises, expatiates that electronic manufacturing enterprises should establish organizations which are seasoned with the management of hazardous substance and should enforce the management methods to control hazardous substance in enterprises.