Overseas company：
Beijing Crownmate Technology Co., Ltd
Technology cooperated company：
Japan environment technology information center, Japan Kyoritsu electric equipment industry co. ltd., Japan Nissen co. ltd., Juridical person Kanagawa science technology college member(light catalyst)。
Developed items：
Air cleaning equipment：SELVA air purifiers
Vegetable and fruit insecticides cleaning equipment
Germinated rice cooker
Function water producer
