Company Profile
Guizhou GZG Transmission Co., Limited is located in Duyun City, Guizhou, China.
Founded in 2017, we specialize in the production and supply of mechanical transmission components, mainly roller chains, sprockets and shaft couplings.
Our factory keeps strict quality control throughout production. We supply both standard‑size parts and accept OEM & ODM custom orders to meet special equipment requirements.
With years of export experience, our products are widely shipped to Europe, America, Africa, Southeast Asia and other regions. We own five registered brands for chains and sprockets: NSOCM, CKANA, NSKANA, GZG and gzg.
We strive to deliver durable, well‑made transmission parts at competitive prices, together with dependable pre‑sales and after‑sales support.
Whether you need standard off‑the‑shelf items or non‑standard customized sprockets and chains, feel free to send us your specifications. We are ready to offer a reliable solution for your project.
Development Journey
2017
Guizhou GZG Transmission Co., Limited was founded in Duyun, Guizhou.
We started our business focusing on standard roller chains and matching sprockets, aiming to supply reliable mechanical transmission parts for domestic industries.
2018
We expanded our product portfolio and stepped into the global market.
Our first batch of chain and sprocket orders was exported to Southeast Asia, marking the beginning of our overseas‑oriented business.
Five independent brands including GZG, NSOCM and CKANA were officially registered.
2019
We upgraded our quality inspection procedures to meet international standards, preparing for growing OEM and custom‑made orders.
Our product range extended to various shaft couplings, double‑pitch conveyor chains and stainless‑steel chains.
We have participated in the Canton Fair many times, building friendships and business connections with buyers from all over the world.
2022
We kept expanding our export footprint to Europe, Africa, Middle East and Latin America.
Our factory optimized production lines to improve lead‑time efficiency for both mass production and small‑batch custom projects.
Now
GZG keeps improving its manufacturing and custom‑solution capacity.
We keep attending major international exhibitions, building long‑term partnerships with global distributors, machinery manufacturers and end users.
Standard transmission parts, non‑standard OEM chains and sprockets are our core strengths to serve worldwide clients.
Exhibition Highlights
The 125th China Canton Fair in 2019
2023 International Industrial Cooperation Conference (Singapore)
The 133th China Canton Fair in 2023
The 135th Spring China Canton Fair in 2024
The 136th Autumn China Canton Fair in 2024
2025 Bangkok International Industrial Exhibition
Certifications
GZG brand
gzg brand
ISO9001
NSKANA brand
NSOCM brand
Products Description
We supply a wide range of roller chains, sprockets and transmission parts.
All goods go through strict quality inspection before packing.
We offer standard export cartons and sturdy wooden cases for sea shipment, to keep products safe during long‑distance transport.
OEM & ODM custom packaging is also available upon request.
FAQ
Q1:Are you a manufacturer or trading company?
A1: We are a professional manufacturer specializing in standard and non‑standard roller chains, conveyor chains, sprockets and couplings. OEM & ODM customization is fully supported.
Q2: Can you produce non‑standard chains and sprockets according to our drawings or samples?
A2: Yes. We accept custom orders for non‑standard roller chains, conveyor chains, sprockets and jaw couplings. We can manufacture based on your drawings, samples or special dimension requirements.
Q3: What kinds of chains do you supply?
A3: We supply full range of standard roller chains, heavy‑duty conveyor chains, S‑type agricultural chains, sugar‑cane conveyor chains, and we also produce customized special‑purpose chains for different working conditions.
Q4: What surface treatments are available for your chains and sprockets?
A4: Common surface treatments include black oxide, galvanized, painting. Special surface finishes can be done as per customer's request.
Q5: What is your minimum order quantity (MOQ)?
A5: For standard items, small trial orders are acceptable. For non‑standard customized products, MOQ depends on the specifications and processing difficulty. Please contact us for details.
Q6: Do you provide samples?
A6: Yes, samples are available for both standard and custom parts. Sample cost and freight will be quoted separately.
Q7: What is your production lead time?
A7: Standard products usually take 7‑15 working days. Non‑standard customized chains, sprockets and couplings need 15‑30 working days, subject to order quantity and complexity.
Q8: What materials do you use for chains, sprockets and couplings?
A8: Main materials are carbon steel and stainless steel . Heat‑treatment is applied to improve hardness and wear resistance for high‑load working scenarios.
Q9: Can you supply matching sprockets for your chains?
A9: Sure. We can provide matching sprockets for all our standard and custom chains, including sprockets with different teeth numbers and hub styles.
Q10: What is your payment term?
A10: Normally T/T. 30% deposit, balance before shipment. Other payment terms can be discussed for long-time cooperation.
Q11: Which shipping ways can you support?
A11: We support sea freight, air freight and express delivery. We can deliver to your designated forwarder as well.
Q12: How do you guarantee product quality?
A12: Strict quality control is carried out during raw material inspection, production and final inspection before delivery. All products are tested to meet working requirements.