One line down means everything downstream stops. In disposable hygiene production, the real cost of a machine is never the purchase order — it is the years of output that follow. That is the lens through which Baoding Gerun Industry and Trade Co., Ltd. has built equipment since 1996: not a single unit sold, but a production system a buyer can depend on for the long haul.
Why Adult Pull-Up and Menstrual Pant Lines Are Different
Adult pull-up diapers and menstrual pants sit apart from standard flat or taped products. The absorbent core, elasticated waistband and three-dimensional fit all have to come together inside one continuous web at speed — and any drift in tension or landing position shows up immediately as a reject. Gerun has been engineering around this problem since 2010, when the company developed and manufactured the first domestic adult pull-up diaper production line. That pioneer position gave the team something more valuable than a head start: a decade and a half of field data folded back into every subsequent generation.
The result is a full-servo platform in which the servo drive system governs the critical stations, tightening synchronization between material feed, core forming and final cut-off. For buyers, that translates into three practical outcomes: output that holds near the design ceiling rather than tapering off after commissioning, dimensional consistency that keeps downstream packaging running smoothly, and an operator interface that shortens the learning curve for new shift staff.
The Machine Range, Specified
GR-CLK450-SF4 — Full-Servo Adult Pull-Up Diaper Production Line. Design speed of 315 m/min, with a stable production speed of 300 to 350 pieces per minute at the large size. It produces three sizes (Medium, Large, X-Large) with an absorbent core built from SAP-mixed fluff pulp. Product weight deviation is held to ±5%, product qualification rate is ≥97%, and efficiency is ≥90%. Power supply 380V/50Hz, installed capacity approximately 468KW including the glue machine. Installation footprint: 42m × 9m × 5m, excluding the packaging machine.
GR-JQK450-SF4 — Full-Servo Menstrual Pant Production Line. The same 315 m/min design speed and 300–350 pieces per minute stable output, with the same three-size range and SAP-mixed fluff pulp core. Weight deviation ±5%, qualification rate ≥97%, efficiency ≥90%. Installed capacity approximately 480KW; footprint 47m × 9m × 5m.
GR-CK300-SF — Full-Servo Adult Diaper Production Line. A 300 m/min design speed with a stable production speed of 200 to 250 pieces per minute at the large size. Its distinguishing feature is the structure of the core itself: a cotton core with a convex form in the middle, built through double-wheel secondary compounding. Three sizes are available (Medium, Large, X-Large), weight deviation ±5%, qualification rate ≥97% excluding waste generated during splice and material splicing. Installed capacity approximately 450KW; footprint 37m × 9m × 5.5m.
GR-CD350-SF — Full-Servo Under Pad Machine. Design speed of 360 m/min and a stable production speed of 280 to 320 pieces per minute at a 900mm product length. It handles a broad size window — lengths from 600mm to 1500mm and widths from 450mm to 800mm — which lets one platform serve multiple underpad SKUs without a second capital outlay. Core absorbency combines wood pulp with SAP. Installed capacity approximately 270KW; footprint 30m × 6.5m × 3.7m.
Across the range, the specifications share a philosophy: numbers that can be verified on the shop floor. Every figure above is stated as measured and stated plainly — no inflated ceiling speeds presented as everyday performance.
Engineering Choices That Show Up on the Balance Sheet
Identify the components that actually decide long-run economics. First, the absorbent core. All four platforms use SAP-mixed fluff pulp, regulated to a ±5% weight deviation. Tight weight control means less raw material given away on every piece — a saving that compounds across millions of units. Second, the qualification rate. A ≥97% figure is not a marketing flourish; it is the difference between rework cost and margin at the end of the shift. Third, the working environment specification: equipment operating temperature must sit between 15°C and 40°C, a detail that matters enormously to buyers in hot climates planning factory ventilation and temperature control before the machine arrives.
The full-servo architecture also produces a quieter advantage — fewer mechanical change points means fewer wear parts in the drive train, and simpler fault diagnosis when something does need attention. Combined with a touchscreen operator station, it keeps the line comprehensible to the people actually running it.
A Manufacturer Built for the Long Relationship
Founded in 1996, Baoding Gerun has spent three decades inside one product discipline: disposable hygiene care product equipment. The portfolio runs from adult pull-up diaper and menstrual pant lines through adult anatomic-shaped diaper and adult diaper equipment to nursing underpad machinery. Adult pull-up and menstrual pant equipment remain the company's core strengths, and the technical iterations of those platforms have been continuous rather than episodic.
The company's stated goal is straightforward — to supply equipment with high performance, stable reliability and humanised operation. Alongside the machines, Gerun provides integrated service and technical support, working to the principle that the machine is not always purchased, but the service is a long-term commitment without end. For overseas distributors and brand owners, that framing matters: it signals a partner oriented toward commissioning, technical guidance and ongoing support rather than a one-off transaction. Attention to individual market requirements is built into how projects are specified, since sizing conventions, packaging formats and material preferences differ considerably from region to region.
Where These Lines Fit
The equipment serves contract manufacturers adding adult incontinence capacity, regional hygiene brands launching pull-up or menstrual pant ranges, and converters extending from underpads into full diaper assemblies. The underpad platform's 600–1500mm length and 450–800mm width range is especially relevant to producers supplying care homes and medical distributors, who need several sizes from a single installation.
Reading the Market
The demographic argument for adult hygiene equipment is well understood: ageing populations across Europe, Japan and parts of Latin America continue to expand demand for incontinence products, while menstrual pants have moved from niche to mainstream in many consumer markets. Less discussed is the supply-side shift — buyers increasingly judge machinery on lifetime operating stability and service depth, not headline speed alone. A line that runs at 90% efficiency across a decade outperforms a faster machine held together by constant intervention. That is the standard this portfolio was designed against.
Next Step
Bring your product specification, target output and available floor space. Gerun will match them to the right platform — pull-up, menstrual pant, diaper or underpad — and talk through installation requirements, power supply and support arrangements.
Baoding Gerun Industry and Trade Co., Ltd.
Address: CaoHeZhen XiaoLiuZhuang Cun, XuShui District, Baoding City, HeBei, China
Contact: LIU ZHI HUA
Phone: 13931257662
Email: 13931257662@126.com
Website: www.gerunbd.com
