Nanjing Aisen Medical Technology Co, ltd. is based in China and lists medical and construction products on Global Trade Plaza. The company offers a 3 Layer Face Mask under the KANGJI brand, model KANGJI-041, made from SBPP non-woven and meltblown nonwoven material in blue, sized 17.5*9.5 cm, with a filtration rate of FFP1 to EN standard and CE/ISO certification. It also supplies Waterproof Padding described as environmentally friendly, fire-retardant, antibacterial, moisture-unaffected, impact-resistant, noise-reducing and anti-fouling. In addition, the company lists a Dental Chair featuring a 24 V imported silent DC motor from Taiwan, removable spittoon, central suction system without vacuum pump, cup and paper holder, two three-way syringes, double armrests with one rotatable 180°, multifunctional pedal, sensor LED light, stable floor-type structure and auto cuspidor flush with constant-temperature water supply control.