1. Sink material: Features: anti-corrosion, anti-oxidation, long service life, often new, and the service life can reach 30 years. Some manufacturers make sinks. In order to have an advantage in price competition, they use 202, 402, and stainless iron with less nickel. Although such materials will not cause quality problems in a short period of time, the surface of the sink will change color after long-term use, and it is easy to be damaged. corrosion. The high rate of contamination is not easy to clean and hygienic, and the air is easy to breed bacteria.
2. Welding process: The sink is divided into three types of welding, bottom welding, butt welding, and integral molding.
3. Sink depth: The basin depth of high-end sinks is about 18 to 24CM, and the depth of general sinks is below 18CM.
4. Surface treatment: generally divided into three types: sandblasting, wire drawing, and pearl silver surface.
5. Bottom surface spraying: generally divided into three methods: dry spraying, oil spraying and water spraying.
6. Automatic console control: generally divided into three types: pull type, push down type, and rotary type.
7. Double-layer flanging: generally divided into three types: large rounded single edge, right-angle flat edge, and small R-angle flanging.
8. Sewer fittings: Silver ion PP large-diameter drainage pipe, and the national standard sewer pipe must reach 50mm.
9. Patent trash can: generally divided into four types: above-the-counter, under-the-counter, underground, and sink.