Специальный газ CAS 7803

In production, we have quality analysis system to make sure each step is qualified.b> Before filling, we do the pre-treatment for the cylinders to clean well.c> After filling, we will do 100% inspection analyze before delivery.7. Q: Is it possible to ship by air? A: Gases are classified into class 2.1, class 2.2 and class 2.3 which are inflammable gas, non-flammable gas and poisonous gas. According to regulation, inflammable gas and poisonous gas cannot be shipped by air, and only non-flammable gas can be transported by air. If the amount purchased is large, sea transportation is better. 8. Q: Can I customize the package? A: Yes of course! The most regular package is cylinder. Its size, color, valve, design and other requirements can all be met. 9. Q: What is the package & storage details? A: Seamless steel cylinder with different valves, or as to your requirement.Stored in shady, cool, dry, ventilated warehouse, and keep away from sunlight and ramming.10. More question......Feel free to contact us, you will get immediately reply/p>