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Product name: Alloy Steel CNC Machining Parts ·Material: Alloy Steel, Titanium Alloy ·Machining Tolerances: 0.01mm ·Machining Process:

Ultralight Aviation Aluminum Alloy Ratchet Spanner - LINYI QUEEN IMP&EXP CO.,LTD.

Product name: Precision CNC Machined Parts ·Material:Carbon Steel, Barss, Copper, Stainless Steel, Alumnum, Titanium Alloy ·Machining Tolerances:0.01mm ·Machining Process:

Product name: Swiss CNC Turning Components ·Material: Carbon Steel, Stainless Steel, Alloy Steel, Brass, Aluminum ·Machining Tolerances:0.01mm ·Machining Process:

This rugged inmate telephone is constructed with robust stainless steel box, zinc alloy die coasting keypad, manufactured to a high standard, offering increased resistance to vandanlism to ensure the effective stable communication is maintained all time, resulting in a highly reliable product with a long MTBF. Except the normal telephone function, it can be programmble auto dial, pick up the handset auto dial the programmed numbers, if first number doesn't answer or is busy, dials next number automatically, untill it get through. speed dial and hot-line calling also can be customized.

Analog plant broadcasting telephones are engineered to deliver reliable, high quality communications in extreme harsh environments. enclosing cold rolled steel housing and 16-bit zinc alloy keypad, offering increased resistance to vandanlism, resulting in high reliability of the product long MTBF.

ASME SA203 is a kind of Ni-alloy steel material used to fabric high-temperature pressure vessels. ASME SA203 this property is based on it's Ni composition.SA203 is used in fabricators serving industry, especially in the oil, gas and chemical supply markets. ASME SA203 has five grades or levels-- Grade A/B/D/E/F.

ASTM A533/A533M Standard Specification for Pressure Vessel Plates, Alloy Steel, Quenched and Tempered, Manganese-Molybdenum and Manganese-Molybdenum-Nickel

A principle of hot dipped galvanized: galvanized iron to clean clean, then solvent treatment, drying after immersed in liquid zinc, iron and zinc layer of molten zinc reaction produce an alloying, the process for degreasing, washing, pickling, helps the plating - drying - hot dip galvanized, separation, cooling passivation.

ASTM A283/A283M standard specification covers four grades of carbon steel plates of structural quality for general application. Steel samples shall be melt processed by either open-hearth, basic-oxygen, or electric furnace. ASTM A283/A283M Standard main steel grade

ASTM A36/A36M Standard Specification for Carbon Structural Steel

Features ● 6.5 inch Frameless ● Aluminum Grille ● 8 ohms, Rated Power:6W ● Max. SPL:98±2dB ● Freq. Resp.:140Hz - 18kHz ● Sensitivity 93±2dB ● Cutout size:Ø165-170mm ● In-ceiling quick installation by spring clip Introduction DSP5011L New frameless ceiling speakers adopts the fashionable thin-edge plane big cylinder and the carbon alloy aluminum mesh design with the RAL white coating so as to integrate with any indoor place perfectly. Equipped with a 6.5" full-range designed loudspeaker with magnetic circuit encapsulated with special engineering plastic process, and the drum paper formed with tripping and hot pressing of algae salved organisms, for the purpose of super-strong reproduction of voice and music. It is able to bear the double rated powers within a short period, so as to ensure the high reliability of the loudspeaker under extreme conditions, prolong the service life, and reduce the possibility of occurrence of fault or degradation of performance to a great extent.