Design and manufacturing of non-metallic product molds; manufacturing of automobile and motorcycle molds (including stamping dies, injection molds, compression molds); production of fine punching dies, precision cavity molds, and mold standard parts; production and development of digital cameras and key parts; manufacturing of new printing devices (lasers, inkjet printers); new instrument components and materials (mainly refers to intelligent instrument sensors, instrument connectors, photoelectric switches, proximity switches and new Type instrument switches, instrument functional materials) production; precision instruments, equipment maintenance and after-sales service (those involving administrative licenses must operate with a license); plastic parts, cultural and educational, office supplies and their plastic parts, automated office communication equipment; automobile-related parts and plastic parts; other plastic products and plastic parts design, production, processing and assembly; soilless cultivation equipment production, compound fertilizer processing. ＊＊＊