
The biggest pain points in chain store renovation include lengthy construction periods, construction nuisances, cumbersome coordination among multiple manufacturers, and inconsistent color shades across store locations.
Wanli Technology independently developed the 5E Eco-friendly PETG Decorative Film, matched with Diatom Inorganic Mineral Boards, to deliver one-stop prefabricated interior decoration. Panels can be installed directly over existing old walls to help brands upgrade store spaces at lower costs.
I. Four Core Pain Points of Commercial Store Renovation
As domestic brands accelerate the standardized rollout of stores nationwide, store image iteration has become a regular business demand. Nevertheless, the traditional commercial fitting-out model suffers from low efficiency, high costs and difficult on-site execution. Most brand operators are confronted with four major challenges:
Long construction cycles & heavy revenue loss from store closure
Traditional wet wall construction involves wall stripping, putty application, sanding and painting, followed by long ventilation periods. The prolonged renovation requires stores to suspend business. For high-rent mall outlets, every closed day translates to direct revenue losses. Renovating multiple stores simultaneously places massive pressure on brand operating expenses.
Dust & noise triggering mall construction restrictions
Shopping malls and commercial streets enforce stringent commercial decoration standards. Traditional renovation generates heavy dust and loud noise, which often leads to work stoppages requested by property management. Delays push back grand opening schedules and disrupt brand marketing plans.
Separated procurement of boards & films, tedious multi-party coordination
Most suppliers on the market only supply bare substrates. Brands have to source base boards, decorative films and outsource lamination services separately. Communication across multiple vendors frequently causes color deviation, film peeling, dimensional errors and post-sales disputes, making it hard to maintain consistent brand visual identity across all outlets.
High renovation costs, blocking frequent store refreshes
Conventional remodelling requires wall demolition and chiselling, producing massive construction waste and incurring steep labour expenses. The high investment for each upgrade prevents lightweight, frequent store renewals.

II. Wanli Technology Core Strengths | Full Industrial Chain One-stop Finished Product Supply
Wanli Technology addresses these industry bottlenecks by building a closed-loop production system: in-house manufacturing of PETG decorative films plus deep processing of diatom mineral boards. Clients no longer need to source boards, films and outsourced processing separately.
We deliver ready-to-install finished wall panels, enabling one-stop procurement, unified quality guarantee and integrated after-sales service. This eliminates the hassle of coordinating multiple factories.
Wanli Technology is a high-tech enterprise specializing in R&D, production, deep processing and custom supply of innovative eco-friendly decorative materials. With years of experience in commercial fit-out and prefabricated renovation for chain stores, the company operates independent production lines for PETG decorative films and dedicated workshops for diatom inorganic mineral board processing.
Breaking the traditional model of separate board/film sourcing and outsourced fabrication, we control every production stage: film extrusion, board cutting, grooving, lamination, edge wrapping and finished panel delivery.
Centered on standardized, lightweight and low-cost store renovation for brands, we supply integrated finished wall panel solutions for national retail chains, commercial spaces and commercial construction projects. Reliable quality, fast delivery and hassle-free services make us the preferred partner for brand store image renewal.
III. 5E Eco-friendly PETG Decorative Film | 10 Standard Production Procedures
PETG eco-friendly decorative film defines the surface texture, durability and stability of store wall finishes. Wanli adopts a full standardized workflow to fundamentally resist yellowing, scratches, bulging and delamination.
Raw Material Selection: Brand-new pure raw materials (no recycled materials), delivering anti-yellowing, anti-ageing and scratch-resistant performance ideal for long-term commercial space use.
Automatic Mixing: Automated batching and blending ensure uniform raw materials batch by batch to eliminate cross-batch color difference.
Pre-extrusion Treatment: Drying and impurity filtration to prevent white specks and air bubbles on film surfaces.
High-temperature Extrusion Moulding: Constant-temperature plasticization produces flexible, flat films resistant to cracking during bending and wrapping.
Online Thickness Inspection: Real-time monitoring via intelligent thickness gauges ensures even thickness and avoids bulging or wavy patterns after lamination.
Precision Cutting: Automatic edge trimming creates neat edges for seamless installation and prevents edge warping.
Post-extrusion Shaping: Internal stress release minimises thermal expansion and contraction to stabilise performance and stop film peeling under temperature changes.
Functional Coating: Anti-fouling and wear-resistant top coating supports repeated wiping, oil resistance and fingerprint resistance.
Automatic Rolling: Custom rolling specifications reduce processing waste.
Sealed Finished Packaging: Dust-proof and scratch-resistant packaging preserves film quality during transit.

IV. Diatom Inorganic Mineral Board | 4 Deep-processing Equipment for Direct Finished Panel Delivery
As premium commercial substrate, Diatom Inorganic Mineral Board features A1 fire resistance, moisture & mould resistance, humidity regulation and air purification. Wanli runs full in-house deep processing lines with no outsourcing required.
CNC Precision Cutting: Numerically controlled cutting achieves ultra-low dimensional tolerances to fit modular prefabricated installation.
12-group Cutter Grooving: Standardised grooves deliver tight, flat panel joints for sleek premium wall surfaces.
Automatic Laminating Machine: High-temperature high-pressure integrated lamination delivers strong adhesion to prevent bulging and delamination.
Automatic Edge Wrapping Machine: Integrated edge wrapping delivers refined details and avoids edge warping, whitening and cracking.
V. On-site Benefits of Prefabricated Finished Wall Panels | Solve All Store Renovation Headaches
The standout advantage of Wanli’s prefabricated finished wall panels: direct installation over old walls with no wall chiselling required.
Low-noise construction, minimal construction waste and short project lead times allow stores to reopen quickly. No large-scale demolition drastically cuts costs for brand image refreshes.
Since films and boards are produced in the same factory, colour, grain and texture remain highly consistent across all nationwide outlets, completely resolving the most frustrating issue for chain brands: inconsistent colour and quality between stores.
For retail chain upgrades, the competition lies not only in design but also execution efficiency, stable quality and controllable budgets.
From in-house PETG film production to deep forming of diatom mineral boards, Wanli Technology maintains end-to-end process control. Our high-quality one-stop finished panel solution empowers brands to easily roll out nationwide store image upgrades, making commercial decoration simpler, more standardised and worry-free.
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