*GB 2099.1-1996 Plugs and socket-outlets for household and similar purposes--Part 1:General requirements
*GB/T 3091-1993 Galvanized welded steel pipe for low pressure service
*GB 4343-1995 Limits and methods of measurement of radio disturbance characteristics of electrical motor-operated and thermal appliances for household and similar purposes,electric tools and similar electric apparatus
*GB/T 4583-1995 Measurement of noise emitted by electric tools-Engineering method
*GB 5013.4-1997 Rubber insulated cables of rated voltages up to and including 450/750V Part 4：Cords and flexible cables
*GB/T 5171-1991 General technical requirements for small power motors
*GB/T 7306-1987 Pipe threads where pressure-tight joints are made on the threads
*GB/T 9088-1988 Types organization method for electric tools
*GB 17625.1-1998 The limits for the harmonic current emissions caused by low-voltage electrical and electronic equipments (equipment input current≤16A per phase)
*GB 17625.2-1999 Electromagnetic compatibility limits Limitation of voltage fluctuations and flicker in low-voltage supply systems for equipment with rated current≤16A