Quality Control of Sampling System for Formaldehyde Detection in Indoor Air

On-site sampling with sampling equipment at the testing site, in addition to strict implementation of sampling points, sampling methods, sampling instruments, sampling time, sampling flow rate, etc. required in the standard, there should be a quality control system for on-site sampling. This system includes : Sampler flow assurance system, liquid absorption tube assurance system and other on-site sampling quality assurance systems.

Compare to the basic Jewelry Box, the top and bottom jewelry is more designable, it can show your jewelry completely  and it is convenient to take it. And you can choice some decoration to beautify your jewelry box to make it more elegant. 


Brand Name: Jinao

Place of Origin: Guangdong, China(mainland)

Surface Material: Customized

Inner Material: Velvet / foamed plastic

Color: Customized

Size: Multi-size + Customized

Feature: convenient

Logo Printing: Customized

Usage: Jewelry Box / Gift Box


Top And Bottom Jewelry Box

Top And Bottom Jewelry Box,Convenient Top And Bottom Jewelry Box,Small Jewelry Box,Large Jewelry Box

DongGuan Jinao Packaging Products Co., Ltd , https://www.jinaojewelrybox.com

Posted on