A-TECH CIRCUITS Co., Ltd. is the largest blind vias pcb production base in China with scale and brand advantages. osp pcb is the main product of A-TECH. It is diverse in variety. The product takes full advantage of the expertise of acoustics. The retractable seal on the top and bottom can effectively interlock together to achieve the desired acoustic seal. The inner layer core of the product is chemically treated for improved adhesion of the copper surface. This product shows great practicality and promotion value. A smooth part is added on its PTH line to reduce the roughness of through hole.
We seek to forge mutually beneficial partnerships with our suppliers and to conduct responsible, ethical and sustainable business with them.