Call Us:+86 186 5551 2307
Mail Us:jhon@onaie.cn
Online After-sales Service
Trial once, reorder always. That’s how easy we make it.

Professional selection and transparent pricing: We not only provide accurate quotes, but also leverage our professional technical capabilities throughout the entire pre-sales process—from working condition analysis and material selection to drawing review, we offer free technical assessments and optimization suggestions at every step to ensure complete product compatibility and maximized lifespan, truly saving you the hidden costs of choosing the wrong material and frequent replacements.
To address procurement concerns from new suppliers, we lower the barrier with a transparent pre-sales process—from operational condition analysis to drawing confirmation, every step is clearly visible, ensuring a worry-free experience for our clients. Furthermore, each service stage includes a "Contact Us for Support" guide, providing professional advice at any time and efficiently converting client needs into inquiries, making first-time collaborations simpler and more reliable.
Why choose our pre-sales service?
Precise selection, scientific matching
Customization capability based on drawings
Material and process recommendations
Pre-sales service process

Frequently Asked Questions (FAQ)
F: Can you guarantee the parts will perfectly fit my equipment?
Q: Yes. We can verify based on your equipment model, OEM part number, drawings, or used samples. On-site measurement or 3D scanning is also available upon request to ensure 100% fit.
F: Do you accept custom orders for non-standard parts?
Q: Yes. As long as you provide drawings, samples, or detailed specifications, we can select the appropriate material and manufacture according to your working conditions.
F: What is the difference between your parts and original parts?
Q: Our parts are manufactured according to OEM drawings or reverse engineering, meeting or exceeding OEM standards in dimensions and performance, but at a more competitive price. Material can also be optimized based on working conditions for extended service life.
All names, marks, models, symbols and descriptions are used for reference purposes only and it is not impied that any of the parts/brands listed are the product of any company other than ONA. We are not agents or distributors for any of the above mentioned brands nor do we have any commercial relationship or association with them.
Our hours
Mon 11/21 - Wed 11/23: 9 AM - 8 PM
Thu 11/24: closed - Happy Thanksgiving!
Fri 11/25: 8 AM - 10 PM
Sat 11/26 - Sun 11/27: 10 AM - 9 PM
(all hours are Eastern Time)