At Harvest SPF Textile Co., Ltd., the instruction manual is usually provided along with our products. If you do not find the instruction manual in your shipment, please contact us as soon as possible and we will re-deliver to you. The instruction manual contains the guidance of usage/storing/maintenance, which you can also view the related video posed on our website. Our service package includes the attentive after-sales support. For any problems in product quality, maintenance, application, or others, feel free to contact us. Our service principle is to make you satisfied all along.

Copper Plus has engaged in the R&D, production, and supply of Copper Mask for years. We are a professional manufacturer embracing the abundant experience. The Copper Mask series has become a hot product of Copper Plus. The technical production standard of Copper Plus Copper Mask far exceeds the market average. Using electromagnetic induction technology, this product features high sensor capacity and accuracy in identifying writing or drawing movement.

we aims at making constant innovations in Copper Mask field. Get an offer!