Write Upright
  • B2B
  • Marketplace

Building India's Polymer Trading Marketplace from Scratch

End-to-end design and development of The Polymer Market — native iOS and Android apps, web admin, and backend — connecting manufacturers, distributors, traders, and industrial buyers across India.

The Polymer Market logo

2

iOS App Store & Google Play Store

4

iOS, Android, web admin & backend

100%

Admin-controlled listings, users & entries

The challenge

India's polymer trading industry — a market valued at approximately $40 billion — was still largely operating through fragmented phone calls, WhatsApp groups, and personal contacts. Buyers had no reliable way to discover verified sellers, compare grades and pricing, or calculate accurate delivery costs. Sellers had no scalable channel to reach qualified buyers beyond their existing networks. The Polymer Market was built to solve this — a dedicated, trusted B2B digital marketplace built exclusively for the polymer trade ecosystem. Write Upright Digital designed and developed the entire platform from zero: native iOS app, native Android app, a full-featured admin panel, and the supporting backend infrastructure.

Build & launch timeline

  1. Discovery

    Discovery & architecture

    Platform requirements, B2B user flows, data models and grade taxonomy defined.

  2. Design

    UX design

    iOS, Android, and admin panel screens designed for both buyer and seller workflows.

  3. Build

    Development

    iOS app, Android app, backend API, delivery engine, and admin panel built and integrated.

  4. QA

    QA & polish

    Bug fixes, UI refinements, delivery pricing validation and store compliance checks.

  5. Launch

    Live on both stores

    Live on Apple App Store and Google Play Store. v1.0.1 shipped April 2025 with improvements.

Website

The Polymer Market website — full page

Three platforms. One ecosystem

iOS App

Native iOS on the App Store. Browse, list, filter by grade and location, auto-calculated delivery pricing — from iPhone.

Android App

Native Android on Google Play — full feature parity with iOS for India's smartphone majority.

Admin panel

Web-based dashboard — users, listings, grades, pricing, verifications, platform settings. Fully self-serve.

Admin, apps & capabilities

  • Admin · Users

    View, approve, suspend, and verify buyer & seller accounts

    Web

  • Admin · Listings

    Approve, edit, remove, or feature any product entry

    Web

  • Admin · Grades

    Manage polymer grade catalogue — add, edit specs, visibility

    Web

  • Admin · Pricing

    Delivery pricing rules, distance bands, quantity thresholds

    Web

  • Admin · Analytics

    Registrations, listing volumes, engagement, growth

    Web

  • Admin · Settings

    Global settings, notifications, content — fully self-serve

    Web

  • Buyer · Grades

    Choose preferred grades — smart-matched listings

    iOS + Android

  • Buyer · Location

    Nearest verified suppliers surface by default

    iOS + Android

  • Buyer · Delivery pricing

    Real-time estimate from quantity and buyer-seller distance

    iOS + Android

  • Seller · Listings

    Create, edit, and manage polymer listings with pricing

    iOS + Android

  • Seller · Grade mapping

    List against recognised grades for precise buyer matching

    iOS + Android

  • Seller · Buyer connect

    Communicate with interested buyers in-platform

    iOS + Android

The polymer industry had no dedicated digital trading platform built for the way B2B procurement actually works. The Polymer Market changes that — giving manufacturers, distributors, traders, and buyers a single place to connect, compare, and transact with confidence. Delivering native apps on both iOS and Android alongside a fully controllable admin panel, in a sector this specialised, is a testament to getting the product architecture fundamentally right from day one.

Write Upright Digital — The Polymer Market