jnforeverchem

  • Dernière connection l'année dernière
Emplacement:
Jinan, Shandong, China
Genre:
Homme 
Nom:
Chloe
Activité récente
Utilisateur
jnforeverchem posté un nouveau blog:

The effective solution to the yellowing of elastomers is to add antioxidants and ultraviolet absorbers, which can effectively prevent and delay the yellowing. However, there are many kinds of antioxidants, and the selection of suitable products requires certain technical support and experience accum…

Utilisateur
jnforeverchem Vient de s'inscrire. Dis bonjour !