1. Immerse the stained area in warm water (40°C), rub it with benzene or a cotton ball dipped in benzene, then wash it with detergent and rinse with clean water (warm water). 2. Soak the stained area with cold water, wipe it lightly with carbon tetrachloride or acetone, wash with detergent and rinse with warm […]
1. Premium high-grade PU leather cover, comfortable hand feeling PU, can customize embossed logo and stitching design. 2. Portable business card bag space, can put business card and document in it. 3. Plastic spiral binder, Turn the pages more smoothly, can easily spread out on the table to write notes. 4. Inner page design, easy […]
The point reading pen is the world’s original and unique automatic voice teaching mode, using novel and interesting cartoons as the carrier, and real-person pronunciation as the medium. It uses colorful cartoon plots to help children easily learn history, learn English, listen to stories, and play games. It integrates learning and entertainment to improve children’s […]
15
Aug
Aug
Gene Seroka, executive director of the Port of Los Angeles, said Wednesday that U.S. supply chains have an opportunity to return to more normal operations after retailers replenish their inventories next quarter, even if the next peak shipping season arrives earlier than usual, according to Bloomberg. Seroka said: “Most retailers have told me that they […]
05
Aug
Aug
The combination of High-grade business style and Nature bamboo. Here we have two different black metal ball pen style with bamboo trim, a card holder with bamboo trim or a round aluminium key chain with bamboo trim in a set. You can select and mix different product pack in the black box as a premium […]
01
Aug
Aug
(1) Lubricants and corrosion inhibitors In the ink components, fatty acids are usually used as lubricants. The lubricants are also cosolvents. The functions of the lubricants include: A, lubricate the balls and provide fluent writing; B, prevent the ink from drying, so that the ballpoint pen has a stable and good initial Pen performance; C. […]
29
Jul
Jul
⑴ Disposable ballpoint pen, the penholder is the refill, neither can add ink nor change the refill, if the ink is used up, it can only be discarded. ⑵ Ballpoint pen that can change the refill, with buttons, spring, lock, recovery and other functions. ⑶ The pen barrel can be rotated to extend or retract […]
27
Jul
Jul
Our model PS21 is 3 in 1 metal promotional pen with USB on the top and touch stylus on the tip. Function: 1. USB Take the cap off, you can use it as a USB USB memory: 4g, 8G,16G, 32G….. 2. Ball pen Ball pen with parker refill, writing distance: 800meters. 3.Black Rubber Stylus You […]
27
Jul
Jul
In the erasable ball-point pen ink, the role of the solvent is to dissolve dyes, film-forming agents and to dissolve with various additives, provide a certain degree of fluidity, but also have the right volatility, and can effectively control drying during the writing process speed. Experiments show that the use of co-solvent is better than […]
22
Jul
Jul
Hi everyone, Happy Chinese New Year!!!Now we’re just back to the office and start new year work~ In China, the ox symbolizes steadfastness and hard work, in the New Ox Year 2021, Prostar also wish you good luck and rewarding well~~