Qing Cheng Electronics is integrated with development, manufacturing, sales Dept. We specializing a complete range of filters, such as Trap, Tier Trap, High Pass, Low Pass, Band Pass, Band Reject, Window, Double Band, Triple Band and mini size series Filters . data box, amplifier and splitter. Our products export to in wholely each corner of the world.Our company always sticks to the motto as survive via high quality, grow-up via benefits.We have 1st class technician force, production line and testing equipments and exquisite production engineering as well as perfect and effective quality control certification system. Our company's highly awarded by customers at home & abroad for its good word-of-mouth and high credits, which as always sticks to the policy as sustainable reform and reinforcement, customers' requirements fulfillment, constant self-perfection, customers' satisfaction enhancement.We're always at your service and await your contact. Quality policy: win by good quality, customers' requirement fulfillment, sustainable reform, end less self-perfection. Goal for quality: see products quality pass ratio always ‰§99%and delivery date to be 100% according to the schedule.