EC21, Global B2B Marketplace
Sign In
Join Free
Buy Now
Sell Now
My EC21
Help
Search Advanced Search
Products > second > Shenzhen Richconn Technology Co.,Ltd | Similar Products
Your search for "

second

" found 2 Products from Shenzhen Richconn Technology Co.,Ltd, China
Inquire Now

(1-2 out of 2)

Blackening Coating

Blackening Coating
Put the metal parts into the solution of NaOH, NaNO2 and other potions. At a certain temperature, the parts will react chemically to produce a thin blue (black) oxide film. Blackening can be divided ...

Blackening Coating

Blackening Coating
Put the metal parts into the solution of NaOH, NaNO2 and other potions. At a certain temperature, the parts will react chemically to produce a thin blue (black) oxide film. Blackening can be divided ...
Page 1 of 11
Go to Page Go
Share :
Facebook
Twitter
LinkedIn
My Favorites
Email this page

Browse: Manufacturer Directory Premium Suppliers Site Map

About EC21 Contact Us Terms & Conditions Report Item Online Trading Risks Product Listing Policy

Copyright (c)1997-2026 EC21 Inc. All Rights Reserved. EC21 in KoreanChinese

Business Registry Number: 120-86-03931 | Mall order sales Registration Number: 강남-5838

Inquiry Basket ()