CHANGDA COMPOSITE MATERIAL MANUFACTURING CO., LTD IS THE MOSTPROFESSIONAL COMPOSITE MATERIAL MANUFACTURER IN CHINA. THE MAINPRODUCT WE OFFER IS SOLDER PALLET MATERIALS (PCB TOOLING/FIXTUREPALLET MATERIALS) IN VARIOUS GRADE. WE ALSO CAN OFFEROTHER KINDS OFGLASSFIBER MATERIAL, SUCH AS EPOXY SHEET 3240, 3241, FR-4/G-10, ANDOTHER LEAD FREE SHEET. IF YOU HAVE ANY OF THE ABOVE ENQUIRIES,PLEASE FEEL FREE TO CONTACT WITH ME! BEST REGARDS, JOYCE