Optional on restaurant sofa: 1, to see whether the firm restaurant sofa skeleton, which related to the life assurance and quality sofa. The specific method is to lift one end of the three-seat sofa, note that when the raised portion off the ground 10cm, the other end of the leg is off the ground, only from the other side also, the check is considered passed. 2, to see the quality of the filling material restaurant sofa. The specific method is to press the hand and arm of the sofa back, if they can clearly feel the presence of a wooden frame, the packing density of this set proves restaurant sofa is not high, flexibility is also not good enough. 3, testing the resilience of the sofa. The specific method is to let the body was free fall on the couch, sofa cushion body bounced at least two or more times, to ensure that this set of sofa elastic good restaurant, and life will be longer. 4, pay attention to details of the deal sofa restaurant. Matching pillow zipper open, observe and touch the inside of the lining and filler; lift the sofa to see the bottom of the handle is fine, sofa leg is straight, the surface treatment is smooth, the bottom of the leg if there mat, etc. details. 5, hand feeling surface of the sofa, if there is the phenomenon of skin irritation was observed in parts of a whole restaurant sofa fabric the color is uniform, each seam portion is solid formation, is working fine. Sofa use Precautions: 1. sofa placed on a flat surface, the bottom corners of the best upholstered cushion in place to prevent damage to the floor when moving. 2. Before use with a clean soft cloth to wipe the surface of the sofa dust and dirt, if the cow leather (leather) production, must first with care agent sofa graze the surface of one to two times (do not use wax care) before use so a protective film cow leather (leather) formed on the surface, so that the future is not easy depth dermal pores dirt, easy to clean later. 3. Avoid jumping on the sofa attendance surface, in order to avoid local compression deformation, affect the use. 4. Avoid sharp corners or tool type apparatus with a contact surface to prevent scratches fabrics. 5. Avoid prolonged exposure to sunlight leather sofa fabric deformation caused by loss of elasticity, such as the case often sunlight, should from time to time to a few locations to prevent sofa intermodulation color difference is obvious; 6. Avoid excessive moisture caused by rain or leather surface expansion loose or cause loss of elasticity leather fade, pan color or mildew. In case of high humidity place, you can take advantage of the weak sun 8:00 am to 10:00 seven days, 1 hour a day, about three months once. 7. Routine maintenance: Use a clean, soft cloth to wipe the fabric Shen regular track or stains. Back, armrests and seat surface are available gap junction vacuum cleaner debris. Prohibit the use of a damp cloth, hard or acid, alkali and other chemicals contacting the fabric, so as not to affect the surface quality and life cycle. 8. Regular maintenance: cow leather surface distribution of the pores, the same points as skin care to maintain wet and dry seasons. Clean oil once, usually can be maintained once the season 3-4 months dry season every two months. Step:. A post with a clean soft cloth surface of the sofa, available in leather, fabric leather cleaner or even rubbed surface polish, and then later absorbed a clean soft cloth to wipe clean. Or diluted with warm water and a neutral detergent (1% -3%) first clean, then wipe clean water wrung liquid, and finally polish with a dry cloth, leather care agent even after the use of an appropriate amount that is to be fully dry clean can. b. textile fabrics such as cotton, linen, rayon and other sensitive because of the acidic substances, should dismantle dry, can not be washed, cut bleach. If found loose thread, not hand snapped, use scissors to neatly cut to the flat.