Ladder electronics Co.,ltd. Is a high-tech limited company. Which specializes in manufacturing surface acoustic wave (saw ) components. It was established in 2002, advanced manager team have over ten years experience in saw field. All of the employee have been well trained, over 16% are technical workers, over 5% are engineers. Cooperation with the universities and colleges widely, such as Sichuan university, Zhejiang university, Zhejiang university of technology, etc. Established long design research item. Mainly products are: Tv-if saw filters for color TV sets and b/w TV sets, cordless phone saw filters, saw resonator and all kinds of low insertion saw components in the communication. We have advanced production equipments and test instruments. Magnetron sputter system, collimated UV light sources and exposure, plasma cleaner, semi-automatic ultrasonic welders, japanese welder. Detect instruments is HP network analyzer, Germany R/S frequency characteristic tester, alcohol leak hunting platform, helium spectrum leak detector. Key craft materials fro-m Japan specialized microelectronic supplies, and so on. Quality control go on according to iso9001 quality system strictly, the mass production quality have been assured.