What is the proportion of material cost to total production cost for pre-amplifier ?
It varies from manufacturer to manufacturer using different technologies and working with different raw material suppliers. In order to ensure the quality of pre-amplifier , manufacturers must make the necessary investment in raw material selection before manufacturing. In addition to carefully selected materials, manufacturing costs, especially high technology, labor input and advanced equipment prices are also critical.

Being praised by competitors, Foshan Dongchuang Audio Technology Co., Ltd. wins recognition in the R&D, design, production, and supply of quality professional speaker. As one of Dongchuang Audio's multiple product series, professional power amplifier series enjoy a relatively high recognition in the market. Dongchuang Audiosimple power amplifier is produced strictly complying with the domestic water purifier standards. It has passed the quality test which requires the water treated by this product are safe and clean. Its USB ports offer excellent transmission speed. This Dongchuang Audiobranded product is really competitive in the world market. This product requires no software or drivers to start up.

We have recognized the importance of friendly action on the environment. Our efforts in reducing resource demand, promoting green procurement, and adopting water resource management have gained some achievements.
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