Ⅰ.PRODUCTS SURFACE SUBAREA:
SIDE A:UNDER INSTALLMENT,IT'S THE PRODUCTS SURFACE WHICH IS NEAREST FROM USER AND COULD BE SEEN IN FIRST VIEW.
SIDE B:UNDER INSTALLMENT,IT'S THE PRODUCTS SURFACE WHICH IS MUCH FURTHER FROM USER ,AND COULD BE SEEN WHEN USERS CHANGE IT'S DIRECTION AND TURN ITS HANDLE.
SIDE C:UNDER INSTALLMENT,IT'S THE PRODUCTS SURFACE WHICH COULD BEE SEEN WHEN USERS MOVE ITS HEAD, AND REMOVE ITS FAUCET ACCESSORIES GREATLY.
SIDE D:UNDER INSTALLMENT,CUSTOMER COULDN'T SEE ITS SURFACE AT ALL.

Ⅱ.PRODUCTS EYEBALLING METHOD
"DECORATIVE"APPEARANCE DEFECT,SUCH AS PINHOLE,DAMAGE,WATERMARK,DEFILEMENT ETC.
1、 THE DISTANCE BETWEEN EYES ANED PARTS IS THE LENGTH OF ARM(ABOUT50CM).
2、 PUT PARTS IN THE PLACEMENT OF INSTALLMENT.
"FUNCTION"APPEARANCE DEFECT, SUCH AS BUBBLE,PLATING LAYERS SEPARATE,LACK OF ZINC ETC.

SIDE A
1.DON'T ALLOW BUBBLES AND SCRAPE ON IT.
2.DON'T ALLOW DIFERENT COLORS AND DESQUAMATE ON IT.
3.ALLOW ONE MARK ON IT.
4.ALLOW 3HOURGLASSES ON IT WHICH IT'S DIAMETER DON'T EXCEED 0.25MM.
5.DON'T ALLOW REVEAL COPPER WHEN DRAWING SAND.

SIDE B
1.ALLOW ONE PLEACE HAVE BUBBLE, 2HOURGLASSES AND ONE DARK ON HOLE.
2.ALLOW APPEAR TWO CRACK TRACE WHICH ITS SCAR DIAMETER DON'T EXCEED 0.5MM.
3.ALLOW HOLES BE RUB OUT ONE PLACE，SEPARETE LINE CAN'T HAVE DENSE PINHOLES AND HOURGLASSES.
4.ONE SEPARE LINE ALLOW THREE PINHOLES WHICH DON'T THROW ACID.