Supply of electric black pouring sealant

 360mL disposable plastic cup

 Supply of controller

 Supply of quality KBSG series mining dry-type transformer

 Supply of 3mm 850 transmitting tube

 Supply of GWD100 mining intrinsically-safe temperature sensor

 Supply of residual-current circuit breaker, CDM1L-800M 4300 moulded case circuit breaker

 Supply of diving drill

 Supply of infrared thermometer

 Time electronics calibrator

 Mass customization of plastic bag

 Supply of cement resistor

 Supply of various nonstandard cabinets

 Supply of multifunctional silicone microphone

 Supply of TESA60262 conductive resin

 Environmental transparent UV adhesive

 Supply of frame level

 Transformer aluminium strip, transformer aluminum foil