Productive process
(1) Substrate processing

(2) Conductive layer printing

(3) Insulation printing

(4) curing

(5) Enzyme ink printing or enzyme spray preparation.

(6) Enzyme printing or spraying.

(7) Drying

(8) Blood guiding film and cover plate.

(9) Cutting

(10) Quality inspection

(11) Packing

(12) grading code