Mark

• The package of products should have clear and firm mark.
• It includes manufactory name, product name,date of manufacture or lot number, net volume, standard number, avoid direct sunlight and rain markings of GB/T 191, etc.

Packing

• Products’ sealed package has two layers
• The inner one is black polyethylene vacuum package and the outside is carton.
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Transportation

• In the transportation process, avoid insolation, rain 
•  Take care of products to prevent packing damage.

Storage

• Store in shade, ventilated and dry storehouse
• Avoid pile up in open air and under direct sunlight.

Security

• Styrene-butadiene rubber granule stores in vacuum package.
• It easily causes self-ignition if left untouched for long periods of time after open it, therefore, timely seal up it.