Zhejiang Hairun Precision Machinery makes sock machines and gives an address in Datang, Zhuji. Its main product is the HAIRUN-2, which knits a sock, links the toe, turns the sock and inspects it after a single transfer, so the toe is closed on the machine itself. The brochure also carries tables for HR-01(6F) plain and HR-02P(7F) pile/terry models. Before you ask for a price, gather your sock yarns, sizes and designs, and ask Hairun which model and revision it will quote.
Hairun concentrates on sock machinery. Its company introduction describes years of work on integrated sock systems, and the product gallery centres on one machine family that joins knitting to the steps that usually follow it. If you run separate knitters and linkers today, the HAIRUN-2 is the model to look at first.
Four functions share one cycle on the HAIRUN-2: knitting, toe linking, turning and inspection. Hairun points to automatic toe linking stitch by stitch, flattening of the fabric, a needle correction device and yarn trimming. Each of these is something a visitor can watch on a running machine.
If you are weighing Hairun against makers of conventional sock machines, browse other knitting machines on the site. An integrated machine changes how many linking operators you need after knitting, so set the price of a whole line against what your current setup costs to run. [1] [2]
The gallery opens with the HAIRUN-2 cover. The technical sheet behind it names two other models, HR-01(6F) for plain socks and HR-02P(7F) for pile or terry, and a further small table has no model name at all. Each table carries its own cylinder, needle and speed ranges.
The Chinese and English feature texts give different colour counts. Electrical entries also vary between that sheet and a separate process page, which states its own whole-machine power and savings figures. Ask Hairun for one current sheet covering the HAIRUN-2 revision you would buy.
That sheet should state plain or terry capability, cylinder diameter, needle count, feeders and colour limits, yarn and size range, controller and software version, utilities, and every integrated function fitted. Ask Hairun to say which brochure page matches the machine on your quote. [2] [3]
The one-transfer idea is easiest to judge on finished socks. Send your yarn, sizes and approved samples ahead of the visit so the run uses the setup you plan to order. [2] [3]
Choose the yarn, sock size, structure and pattern, and fix the cylinder and needle setup Hairun will use.
Look at the transfer and the linked seam on each sock. Check alignment and closure against your reference samples.
See how turned socks leave the machine and where an incomplete or rejected piece ends up.
Have Hairun list what the machine checks or stops for, and which checks your staff still make by hand.
Run one design for a set time. Count accepted socks or pairs, rejects, stops and each time an operator steps in.
Switch to a second yarn, design or size and time how long it takes to get back to good production.
The HAIRUN-2 stops at a turned, inspected sock. Boarding and other finishing, a final quality check, pairing and packing are done elsewhere. List those steps for your product and mark which equipment Hairun puts in the order.
Ask for the electrical and compressed-air schedule, the utility connection points, an installation drawing and the access space needed. The brochure compares energy use and transfer time with other methods. If you want either figure in the contract, agree how and under what conditions it will be measured.
Request the maintenance routine and spare parts list for the transfer, linking and turning mechanisms, the needles and the trimming parts. Settle program preparation, controller and software compatibility, operator training and remote or on-site service in the quotation. [2] [3]
Hairun says it was founded on 9 January 2007 and has developed integrated sock machinery since then. Its introduction also mentions industry firsts, a patent total, manufacturing capacity and sales abroad. Ask for the documents behind any of these that matter to you, such as the patent numbers for the machine you buy.
A Hurun release dated 18 November 2019 lists 海润精工 among the world's most innovative hosiery companies for 2019. Hurun states that the names carry no ranking. The listing describes the company in 2019 and says nothing about a particular machine.
The contact page gives an address in Datang, Zhuji. Put the contracting company on the order, and name who handles commissioning, warranty and spare parts. The guide to reading a manufacturer profile suggests which documents to request first. [1] [4]
Published model or series information. Open the equipment record for its full scope and configuration notes.
Equipment model
The HAIRUN-2 from Hairun is an integrated sock machine that knits, links the toe stitch to stitch, turns and inspects each sock after a single transfer. Its brochure gives 13 colours per sock in the Chinese text and up to 15 in the English, and its speed and power tables are shared with HR-01 and HR-02P models. Send yarn, sizes, pattern and a reference sock, and ask for a HAIRUN-2 parameter sheet.
Swipe the table sideways to see every column.
| Parameter | Published value |
|---|---|
| Process sequence | Knitting, toe linking, turning and inspection |
| Toe closure | Automatic stitch-to-stitch linking |
| Transfer arrangement | Single transfer |
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Before ordering, ask Hairun to confirm in writing: the model and revision you are buying, its parameter sheet with cylinder, needles, feeders and colours, the integrated functions fitted, the electrical and air loads, the equipment included and excluded, the result of your sock trial, and which legal entity sells the machine and stands behind its warranty. If patents or other documents matter to your choice, request copies too.
Zhejiang Hairun Precision Machinery · Manufacturer publication
Hairun's founding date of 9 January 2007, its focus on sock machinery and its account of integrated system development, plus the contact address.
Publication: Undated; accessed 11 October 2026 · Reviewed: 2026-10-11
Zhejiang Hairun Precision Machinery · Manufacturer publication
The HAIRUN-2 cover and process sheets. They describe the knitting, linking, turning and inspection cycle and its toe-linking, flattening, needle and trimming features, with Hairun's savings comparisons.
Publication: Undated brochure; current official product-gallery images reviewed 11 October 2026 · Reviewed: 2026-10-11
Zhejiang Hairun Precision Machinery · Manufacturer publication
The technical sheet with HR-01 and HR-02P tables, feature text in Chinese and English, and the colour, electrical and output entries.
Publication: Undated; original image reviewed 11 October 2026 · Reviewed: 2026-10-11
Hurun Research Institute / Hurun Report · Independent institutional record
Hurun's 2019 list of innovative hosiery companies. It includes 海润精工 and says the names appear in no rank order.
Publication: 18 November 2019; accessed 11 October 2026 · Reviewed: 2026-10-11
Each source above lists its publisher, what it covers and the date it was checked. Read our editorial policy or report an outdated detail.