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As far as our general edible oil and vegetable oil are available, if you want professional products, you can directly buy a little butter grease.
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Hinge hinge grease should be used, derust lubrication, our hinge factory with tiger head hotolube hinge grease. They are food grade certified. You can take a look at Peach Leopard, which comes in a 130-gram toothpaste-like package and is easy to use.
It is not advisable to use engine oil or ordinary butter, it will freeze in winter, and the harmful smell will affect the health of the body, and it will soon volatilize and lose its effect.
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The loosening agent is fine, Zhubao AT-10 loosening agent, spray it can be done.
Go to the security door section of the decoration market, and the general estimate is that you can buy it for 800.
Wang Li's brand.
If it were me, I would still be inclined to Wang Li, the official saying that Weiou is an upgrade of Wang Li, but a brand that has been brand influence for many years cannot change its name for no reason. >>>More
Wang Li's lock cylinder is notoriously non-theft-proof, since the key is dropped, take the opportunity to change the lock cylinder!.
Locks and anti-theft doors have national standards, generally can be matched, I am afraid of some non-standard, I have seen the door is thick, not good with locks.
I m going to make a tooYes,it is a brand of Wang Li.I ll also add a picture to you,choose me,choose me