Deman Customers Case Study

Textile Industry

Hardware Industry

Plastics Industry

Automotive Parts

Textile Industry

Cixi Shunda Industrial Co.,Ltd.

This well-known home appliance manufacturer based in Cixi reached out to us after hearing about Deman’s strong reputation. We provided a customized air compressor room upgrade using our GGVe series air compressor and 5DV PM VSD refrigerated air dryer. As a result, the factory achieved an annual energy savings of 89,000 kWh.

2024-10-07

Ningbo Jisheng Electric Co., Ltd.

The customer is a high-tech enterprise specializing in the development, production, and sales of kitchen appliances. Since the first collaboration with Deman in 2017, recognizing Deman’s energy-saving achievements, they have engaged in over ten energy-saving projects.

2024-02-07

Cixi Boshuo Electrical Technology Co., Ltd.

Boshuo specializes in the development and manufacturing of household appliances and related components. Based on the company’s specific air demand, Deman designed a customized compressed air system using two sets of DDV115T-6 pressure-customized units, combined with a plant-wide aluminum alloy super piping system, achieving a pressure drop of less than 0.01 MPa across the air network, helping Boshuo significantly reduce overall air usage costs.

2023-03-13

Since 1998, our mission is to create infinite value for clients through efficient use of compressed air.

Website

News About Deman

Contact us

Ningbo Address: No. 188 Yueci Road, Cixi, Zhejiang, China

Hangzhou Address: No. 1407, 14th Floor, UDC Starlight Times, Wentao Road,
Binjiang District, Hangzhou, Zhejiang, China

Shenzhen 367-6 Guangshen Road, Xiner Community, Xinqiao Street,
Baoan District, Shenzhen, China

基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.000944s ] mysql:host=127.0.0.1;port=3306;dbname=deman;charset=utf8mb4
[ SQL ] SHOW COLUMNS FROM `en_portal_category` [ RunTime:0.001647s ]
[ SQL ] SELECT * FROM `en_portal_category` WHERE `status` = 1 AND `parent_id` = 0 ORDER BY `list_order` ASC [ RunTime:0.000819s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_portal_category', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 80, 'filtered' => 1.25, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] SELECT * FROM `en_portal_category` WHERE `parent_id` = 1 AND `status` = 1 ORDER BY `list_order` ASC [ RunTime:0.001100s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_portal_category', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 80, 'filtered' => 1.25, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] SELECT * FROM `en_portal_category` WHERE `parent_id` = 2 AND `status` = 1 ORDER BY `list_order` ASC [ RunTime:0.001562s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_portal_category', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 80, 'filtered' => 1.25, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] SELECT * FROM `en_portal_category` WHERE `parent_id` = 3 AND `status` = 1 ORDER BY `list_order` ASC [ RunTime:0.001311s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_portal_category', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 80, 'filtered' => 1.25, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] SELECT * FROM `en_portal_category` WHERE `parent_id` = 4 AND `status` = 1 ORDER BY `list_order` ASC [ RunTime:0.000737s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_portal_category', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 80, 'filtered' => 1.25, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] SELECT * FROM `en_portal_category` WHERE `parent_id` = 43 AND `status` = 1 ORDER BY `list_order` ASC [ RunTime:0.000796s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_portal_category', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 80, 'filtered' => 1.25, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] SELECT * FROM `en_portal_category` WHERE `parent_id` = 85 AND `status` = 1 ORDER BY `list_order` ASC [ RunTime:0.000947s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_portal_category', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 80, 'filtered' => 1.25, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] SELECT * FROM `en_portal_category` WHERE `id` = 41 AND `status` = 1 LIMIT 1 [ RunTime:0.000885s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_portal_category', 'partitions' => NULL, 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '8', 'ref' => 'const', 'rows' => 1, 'filtered' => 100, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `en_portal_post` [ RunTime:0.001449s ]
[ SQL ] SELECT * FROM `en_portal_post` WHERE `classify_id` = '1' AND `id` = 2 AND `post_status` = 1 [ RunTime:0.000814s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => NULL, 'partitions' => NULL, 'type' => NULL, 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => NULL, 'filtered' => NULL, 'extra' => 'no matching row in const table', ) ]
[ SQL ] SELECT * FROM `en_portal_category` WHERE `id` = 41 LIMIT 1 [ RunTime:0.001043s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_portal_category', 'partitions' => NULL, 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '8', 'ref' => 'const', 'rows' => 1, 'filtered' => 100, 'extra' => NULL, ) ]
[ SQL ] SELECT * FROM `en_portal_category` WHERE `id` = 4 LIMIT 1 [ RunTime:0.001033s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_portal_category', 'partitions' => NULL, 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '8', 'ref' => 'const', 'rows' => 1, 'filtered' => 100, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `en_theme_file` [ RunTime:0.001430s ]
[ SQL ] SELECT * FROM `en_theme_file` WHERE `theme` = 'simpleboot3' AND `file` = 'portal/aaa' LIMIT 1 [ RunTime:0.000851s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_theme_file', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 2, 'filtered' => 50, 'extra' => 'Using where', ) ]
[ SQL ] UPDATE `en_theme_file` SET `theme`='simpleboot3',`action`='portal/List/index',`file`='portal/aaa',`name`='默认列表模板',`more`='[]',`config_more`='[]',`description`='aaa',`is_public`=0,`list_order`=10 WHERE `theme` = 'simpleboot3' AND `file` = 'portal/aaa' [ RunTime:0.000845s ]
[ SQL ] SELECT * FROM `en_theme_file` WHERE `theme` = 'simpleboot3' AND `file` = 'portal/aaa_detail' LIMIT 1 [ RunTime:0.000924s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_theme_file', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 2, 'filtered' => 50, 'extra' => 'Using where', ) ]
[ SQL ] UPDATE `en_theme_file` SET `theme`='simpleboot3',`action`='portal/Article/index',`file`='portal/aaa_detail',`name`='默认详情模板',`more`='[]',`config_more`='[]',`description`='aaa_detail',`is_public`=0,`list_order`=10 WHERE `theme` = 'simpleboot3' AND `file` = 'portal/aaa_detail' [ RunTime:0.000699s ]
[ SQL ] SELECT * FROM `en_theme_file` WHERE `theme` = 'simpleboot3' [ RunTime:0.001014s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_theme_file', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 2, 'filtered' => 50, 'extra' => 'Using where', ) ]
[ SQL ] SHOW COLUMNS FROM `en_theme` [ RunTime:0.001151s ]
[ SQL ] UPDATE `en_theme` SET `name`='simpleboot3',`version`='1.0.2',`demo_url`='http://demo.thinkcmf.com',`author`='ThinkCMF',`lang`='zh-cn',`author_url`='http://www.thinkcmf.com',`keywords`='ThinkCMF模板',`description`='ThinkCMF默认模板' WHERE `theme` = 'simpleboot3' [ RunTime:0.001004s ]
[ SQL ] SELECT `more` FROM `en_theme_file` WHERE `theme` = 'simpleboot3' AND ( `is_public` = 1 OR `file` = 'portal/case/index' ) [ RunTime:0.001413s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'en_theme_file', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 2, 'filtered' => 50, 'extra' => 'Using where', ) ]
[ SQL ] SHOW COLUMNS FROM `en_option` [ RunTime:0.001334s ]
[ SQL ] SELECT `option_value` FROM `en_option` WHERE `option_name` = 'storage' LIMIT 1 [ RunTime:0.000600s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => NULL, 'partitions' => NULL, 'type' => NULL, 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => NULL, 'filtered' => NULL, 'extra' => 'no matching row in const table', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM ( SELECT count(*) FROM `en_portal_post` `post` INNER JOIN `en_portal_category_post` `category_post` ON `post`.`id`=`category_post`.`post_id` WHERE `post`.`post_status` = 1 AND `post`.`post_type` = 1 AND `post`.`delete_time` = 0 AND ( `category_post`.`category_id` = '41' ) AND ( `post`.`published_time` > '0' and `post`.`published_time` < 1754097096 ) GROUP BY `post`.`id` ) `_group_count_` LIMIT 1 [ RunTime:0.001599s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'PRIMARY', 'table' => '<derived2>', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 2, 'filtered' => 100, 'extra' => NULL, ) ]
[ SQL ] SELECT post.*,min(category_post.category_id) as category_id FROM `en_portal_post` `post` INNER JOIN `en_portal_category_post` `category_post` ON `post`.`id`=`category_post`.`post_id` WHERE `post`.`post_status` = 1 AND `post`.`post_type` = 1 AND `post`.`delete_time` = 0 AND ( `category_post`.`category_id` = '41' ) AND ( `post`.`published_time` > '0' and `post`.`published_time` < 1754097096 ) GROUP BY `post`.`id` ORDER BY `post`.`published_time` DESC LIMIT 0,9 [ RunTime:0.002217s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'category_post', 'partitions' => NULL, 'type' => 'ref', 'possible_keys' => 'term_taxonomy_id', 'key' => 'term_taxonomy_id', 'key_len' => '8', 'ref' => 'const', 'rows' => 11, 'filtered' => 100, 'extra' => 'Using index condition; Using temporary; Using filesort', ) ]

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