---
title: "Marking Methods"
canonical: "https://www.fl-sz.cn/en/brands/marking-methods"
lang: "en"
type: "brand"
publisher: "ShangHai F&L Petrochemical Co.,Ltd."
pricing: "not-published"
manufacturer_site: "https://www.markingmethods.com/"
alternate: "https://www.fl-sz.cn/zh/brands/marking-methods.md"
---

# Marking Methods

> Source (canonical): https://www.fl-sz.cn/en/brands/marking-methods
> Published by: ShangHai F&L Petrochemical Co.,Ltd. — specialty lubricant and industrial chemical distributor
> F&L distributes and stocks this brand. The items below are held in stock.
> Language: English · Also available in Chinese: https://www.fl-sz.cn/zh/brands/marking-methods.md

| Field | Value |
|---|---|
| Country of origin | USA |
| Manufacturer site | https://www.markingmethods.com/ |

## About the brand

Marking Methods, Inc. is an American manufacturer specialized in chemicals for electrochemical metal marking. It develops and produces electrochemical etching electrolytes and post‑treatment cleaning consumables. Featured grades include Marking Methods Cleaner Formula APC post‑marking cleaner and Marking Methods Electrolyte Formula MSC 4 electrochemical marking electrolyte. MSC 4 is a pH‑balanced buffered salt solution with wetting agents for permanent etching on ferrous and non‑ferrous metals and prevents stencil clogging. APC cleaner removes electrolyte residues after marking to avoid moisture‑induced corrosion and maintain clear marks. Products serve aerospace, nuclear, precision machinery and hardware for permanent serial number, QR code and logo marking as dedicated MRO chemicals for metal identification. Shanghai F&L Petrochemical Co., Ltd provides genuine products in stock, welcome to inquire and purchase: 400‑879‑3341.

## Enquiries and technical support

Send the operating conditions — temperature, speed, load, and whether there is food or pharmaceutical contact. An engineer replies with a selection proposal and a written quotation within one business day.

- Enquiry form: https://www.fl-sz.cn/en/contact
- Email: info@fl-sh.com
- Phone: +86-400-879-3341
