01  The question on the booth changed

Phase 2 ran from 23 to 27 October in Guangzhou. Together with Phase 1 (15—19 October), Small Boss exhibited across both the “Advanced Manufacturing” and “Quality Home Life” sections of this edition.

Three of the four lines the company runs were on this stand: PVC sheet pile, customized extruded profiles and PVC compound. The fourth — water treatment equipment built around MBBR media — comes off the same plant and the same engineering team.

According to figures published by the Canton Fair, Phase 2 covered 515,000 m? with roughly 25,000 booths and about 11,000 exhibiting exporters; green products accounted for 26.9% of exhibits. Around 340,000 overseas buyers attended the 140th session overall. Three words came up in almost every conversation: green, low-carbon, high-performance.

For the people standing on the booth, the more telling change was in the questions. In Phase 1, buyers of PVC compound rarely asked “what is the price per tonne” any more — they asked for the formulation, the test reports and long-term supply stability. Phase 2 moved to building materials, and the questions became “how many years will this last in the tidal zone”, “what is the embedment depth”, “is there a standard we can write into the contract”.

Buyers are now costing the whole lifecycle. For a material supplier that is good news — whoever can explain what the formulation is worth has earned the right to talk about price.

02  What the launch actually changes

Against the more common surface-composite approach, three differences matter.

First, the reinforcement sits in the material, not on it. A surface layer handles abrasion and appearance, but once it is damaged the reinforcement it provides is compromised. Compounding distributes carbon fibre through the whole section, so the load path does not depend on the face staying intact.

Second, zero glass fibre. No glass fibre means no glass-fibre dust to manage — an environmental and export-compliance issue in the EU and in other markets that regulate it.

Third, the operating envelope moves outward. The lightweight, corrosion-resistant, fast-to-install character of a PVC sheet pile is retained, while the range extends toward deeper water, taller walls, tidal zones and aggressive media.

This is not a sudden pivot. The same carbon-fibre compounding route has already run in volume on Small Boss rigid PVC extrusion profiles: measured flexural strength ≥158 MPa, flexural modulus ≥10,200 MPa, heat deflection temperature ≥100 °C, glass-fibre content zero, density around 1.39 g/cm? (data in the related reading below). The profile line proves that carbon fibre can be dispersed into PVC and extruded continuously; the sheet pile has to prove the material can carry structural duty. The first is measured. The second is being confirmed case by case against project conditions.

03  Steel, concrete or PVC sheet pile? How to choose

The four routes are not substitutes for one another; each maps to a different set of ground conditions and cost structure. The table below compares them qualitatively on the dimensions buyers weigh most often.

The table is a qualitative comparison of material routes. Selection for a project follows the design documents and T/CSPSTC 180—2025. On mobile, swipe the table sideways.

In one line: deep water and high loads point to steel; permanent walls point to concrete; small rivers and eco bank protection point to standard PVC; tidal zones, aggressive media and low-maintenance requirements point to the carbon-fibre grade.

04  Customized extruded profiles: six steps from drawing to production

The other half of the booth was customized extruded profiles: corner beads, seal strips, garage wall panels, and industrial profiles tooled to customer drawings.

The question buyers ask most is not “what is the price per metre” but “can you make this drawing, and how fast can I see a sample”. The process runs in six steps:

Small Boss brings more than 30 years of PVC profile production, with moulds and extrusion lines in-house. Section design can be handled by the engineering team; the customer supplies the service conditions and the interface requirements.

This is also why quotations vary so much. For one and the same section drawing, price is driven by seven conditions — profile weight per metre, compound system, colour, tooling cost, tolerance class, order quantity, packing and freight — and a change to the formulation, the mould structure or the tolerance band triggers a re-quote.

05  Why the standard number belongs in the contract

Plastic sheet piling went without a unified standard for a long time, so the “applicable standard” field in a purchase contract was often left blank — and disputes surfaced at acceptance. T/CSPSTC 180—2025, Technical specification for the application of plastic sheet piles, is administered by the China Association for the Promotion of Science and Technology in Industry, co-proposed by Hohai University and Tongxiang Small Boss Special Plastic Products Co., Ltd., and drafted by 19 organisations including the China Institute of Water Resources and Hydropower Research, Nanjing Hydraulic Research Institute, Changjiang River Scientific Research Institute, China South-to-North Water Diversion Group, Minmetals Salt Lake and Sinopec Shanghai Engineering. Small Boss is the only manufacturing company among the drafters.

Put all three on the quotation and suppliers become genuinely comparable.

06  Frequently asked questions

07  Before the next show, get the documents aligned

The show is over; the material work is not. From a pellet of compound, to a length of profile, to a finished wall, Small Boss keeps doing the same job: matching formulation and process to real site conditions.

For PVC sheet pile selection, customized extruded profiles, PVC compound samples or MBBR media, contact us directly.

Source: Canton Fair official site; National Group Standard Information Platform (searchable for T/CSPSTC 180—2025). This article is a trade-show review and product communication. It does not constitute a project design, performance, compliance or delivery commitment. Specific performance, suitability, samples and commercial terms are subject to the technical requirements and project documents confirmed by both parties.