Yuren, in Jiaxing, builds rebar and wire-mesh welding machines, with wire straightening, cold-rolled ribbed and auxiliary line equipment around them. Send your mesh drawing, wire sizes and how the wire arrives, then ask Yuren to quote a named configuration with feeding, utilities and handling spelled out.
Dongho, in Yuyao, builds standard and custom plastic joining machines for automotive parts: ultrasonic welders, heat staking, hot-plate and vibration friction equipment, plus the fixtures that hold the parts. Send the part drawings, polymer grades and acceptance tests first, and let the process choice follow from them.
Longxing, in Ningbo, makes gas welding and cutting equipment: torch kits, torches, tips and pressure regulators, plus arc-welding accessories and semi-automatic cutting machines. Open your enquiry with the job, the fuel gas and the fittings on your site, and ask for every kit part as its own quote line.
Linlong builds MMA, TIG and MIG/MAG welding machines and plasma cutters in Wenling, Zhejiang, and has worked in welding and cutting equipment since 1993. Before asking for a price, pick the process and send your supply voltage, phase and arc-on work pattern, so Linlong can quote one exact model and package.
ZGTEK, in Jiaxing, builds resistance-welding lines for filter cages, plus R-6 ring forming and welding machines and ABM elastic-band equipment. Send the full cage drawing first, and say which steps from wire to finished cage you want the line to cover.
RPS-SONIC is the brand of Hangzhou Gonglv Ultrasonic Equipment. It sells ultrasonic plastic and nonwoven welding, cutting-and-sealing machines and core parts such as transducers, boosters and horns. Tell RPS-SONIC first whether you need a matched component, a handheld tool or an automated station.
Guobiao, in Hangzhou, develops and sells ultrasonic drives and automatic controls and applies them to nonwoven, paper-cup and automotive-part welding. Pick one joining task first, then ask for a quote that names the generator, transducer, tooling and machine interface for that job.
HCSONIC, the brand of Hangzhou Jiazhen Ultrasonic, makes high-power ultrasonic components and equipment, including ultrasonic metal welders for cable and terminal joints. Send your conductor and terminal details first and ask for a setup built around that joint. Its liquid and molten-metal machines serve other work.
Taisonic, based in Yuyao near Ningbo, builds plastic welding equipment, cutting and sealing machines and robotic workstations, with automotive interior parts as a key example. Start your enquiry by listing every joining, cutting, assembly and inspection step on the part, so Taisonic can quote the whole cell.
Mingtai Laser in Wenzhou builds automated laser welding stations and lines, led by stator-core welding for electric motors and battery-related production. It also sells laser cutting, cleaning and marking systems. Open your enquiry with the part drawing, since each station is configured around one stator stack or battery joint.
Biaoke Laser in Ningbo sells laser cutting, marking, cleaning and welding equipment through several group businesses. Most of its published detail covers cutting. For a welding job, first ask Biaoke which group company will quote, build and support the machine, and get a named welding model with its full configuration.
Chenggong Ultrasonic in Fuyang, Hangzhou makes ultrasonic transducers, drive supplies and complete equipment for joining plastic, metal, nonwoven fabric and geogrid. Before asking for a price, tell Chenggong whether you need a replacement part, a complete welding machine or an integrated station.
How to assess a welding equipment manufacturer
Use a company profile to open a sourcing conversation. Compare the product range the manufacturer publishes, the models that match your work and the documents each one comes with, then ask for a quotation against the exact model and configuration you need.
Name the company and the configuration
Ask for the legal entity that will issue the quotation and how it relates to the factory that builds the equipment. Request model-specific documents and ask whether the supplier manufactures, integrates or distributes the proposed system. If the offer includes third-party components, agree who installs and supports them. Confirm current availability for each model on the quotation.
Ask what is in the delivery
Send the same workpiece description to each supplier and request an equipment list, included accessories, optional items and exclusions. Ask which operations the proposed machine performs and which depend on your own fixtures, utilities or other stations. For automated lines, ask who is responsible for integration and what each cycle-time estimate assumes.
Keep facts, trials and contracts in order
Record the published facts, the supplier's answers, trial results and contract terms as separate items so each can be checked. Agree how a trial will be judged before it runs. Check any certificate with its issuer, named company, scope and expiry date.
Compare support before deciding
Ask for the documents delivered with the machine, spare-part numbers, support arrangements and warranty scope. Agree who installs the equipment and trains operators at your site, and run your own supplier and commercial checks before ordering. The directory grows as each manufacturer is researched, so it is a selection rather than a full list of Chinese factories.