Material of sink: features: corrosion resistance, oxidation resistance, long service life, often used and often new, and the service life can reach 30 years.
Some manufacturers make sinks in order to have an advantage in price competition, using stainless steel with 202, 402 and less nickel.
Iron, although this material will not have quality problems in a short time, the surface of the sink will change color and be easily corroded after long-term use.
High fouling rate is not easy to be clean and hygienic, and the air is easy to breed bacteria.
2. Welding technology: There are three types of water tank welding, namely bottom welding, butt welding and integral molding.
3. Depth of sink: The basin depth of high-grade sink is about 18 to 24CM, and the general sink is below 18CM.
4. Surface treatment: generally divided into three types: sandblasting, wire drawing and pearlescent silver surface.
5. Bottom spraying: generally divided into three ways: dry spraying, oil spraying and water spraying.
6. Automatic workbench control: generally divided into three types: pull type, press type and rotary type.
7. Double flanging: There are generally three types: large round edge, right-angled flat edge and small R-angle flanging.
8. Sewer fittings: silver ion PP large-diameter drain pipe, and the national standard sewer pipe should reach 50 mm
9. Patent trash can: generally divided into four types: on stage, under stage, underground and sink.